APA ציטוט

Heywood, V. H., & Watson, R. T. (1995). Global biodiversity assessment.

Chicago Edition Citation

Heywood, V H., and R T. Watson. Global Biodiversity Assessment. New York, Cambridge University Press, 1995.

ציטוט MLA

Heywood, V H., and R T. Watson. Global Biodiversity Assessment. 1995.