APA
(1991). Wind Energy Conversion 1991: Proceedings of the 13th BWEA British Wind Energy Association Conference 'Wind energy and the Environment' Swansea10-12 April1991. London: Mechanical Engineering Publications Limited.
Chicago
1991. Wind Energy Conversion 1991: Proceedings of the 13th BWEA British Wind Energy Association Conference 'Wind energy and the Environment' Swansea10-12 April1991. London: Mechanical Engineering Publications Limited.
Harvard
(1991). Wind Energy Conversion 1991: Proceedings of the 13th BWEA British Wind Energy Association Conference 'Wind energy and the Environment' Swansea10-12 April1991. London: Mechanical Engineering Publications Limited.
MLA
Wind Energy Conversion 1991: Proceedings of the 13th BWEA British Wind Energy Association Conference 'Wind energy and the Environment' Swansea10-12 April1991. London: Mechanical Engineering Publications Limited. 1991.