APA ציטוט

Kaufman, D. G., & Franz, C. M. (1993). Biosphere 2000: Protecting our global environment. HarperCollins College Publishers.

Chicago Style (17th ed.) Citation

Kaufman, Donald G., and Cecilia M. Franz. Biosphere 2000: Protecting Our Global Environment. New York: HarperCollins College Publishers, 1993.

ציטוט MLA

Kaufman, Donald G., and Cecilia M. Franz. Biosphere 2000: Protecting Our Global Environment. HarperCollins College Publishers, 1993.