APA

International Seminar on the Improvement of Housing Conditions and the Rehabilitation of Historic Centres, United Nations Centre for Human Settlements, Bulgaria & International Academy of Architecture. (1991). Proceedings and final report of the International Seminar on the Improvement of Housing Conditions and the Rehabilitation of Historic Centres. Nairobi: United Nations Centre for Human Settlements (Habitat).

Chicago

International Seminar on the Improvement of Housing Conditions and the Rehabilitation of Historic Centres, United Nations Centre for Human Settlements, Bulgaria and International Academy of Architecture. 1991. Proceedings and final report of the International Seminar on the Improvement of Housing Conditions and the Rehabilitation of Historic Centres. Nairobi: United Nations Centre for Human Settlements (Habitat).

Harvard

International Seminar on the Improvement of Housing Conditions and the Rehabilitation of Historic Centres, United Nations Centre for Human Settlements, Bulgaria and International Academy of Architecture. (1991). Proceedings and final report of the International Seminar on the Improvement of Housing Conditions and the Rehabilitation of Historic Centres. Nairobi: United Nations Centre for Human Settlements (Habitat).

MLA

International Seminar on the Improvement of Housing Conditions and the Rehabilitation of Historic Centres, United Nations Centre for Human Settlements, Bulgaria and International Academy of Architecture. Proceedings and final report of the International Seminar on the Improvement of Housing Conditions and the Rehabilitation of Historic Centres. Nairobi: United Nations Centre for Human Settlements (Habitat). 1991.