APA ציטוט

Field, B. C. (1997). Environmental economics: An introduction. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Field, Barry C. Environmental Economics: An Introduction. New York: McGraw-Hill, 1997.

ציטוט MLA

Field, Barry C. Environmental Economics: An Introduction. New York: McGraw-Hill, 1997.