1.
, . Widening perspectives on biodiversity. Gland, Geneva: IUCN, The World conservation union; 1994.
et . Widening perspectives on biodiversity. Gland, Geneva : IUCN, The World conservation union, 11 juin 1994. ISBN 2-8317-0200-3
Forum mondial sur la diversité biologique & Cropper Angela. (1994). Widening perspectives on biodiversity. IUCN, The World conservation union.
MLA (8th ed.) CitationForum mondial sur la diversité biologique and Cropper Angela. Widening Perspectives on Biodiversity. IUCN, The World conservation union, 1994.
Warning: These citations may not always be 100% accurate.