Gaya APA

Field, Barry C., Field, MarthaK.. (2006). ENVIRONMENTAL ECONOMICS : An Introduction (Fourth Edition). New York: Mc.Graw -Hill Companies.

Gaya Chicago

Field, Barry C., Field, MarthaK.. ENVIRONMENTAL ECONOMICS : An Introduction. Fourth Edition New York: Mc.Graw -Hill Companies, 2006. Teks.

Gaya MLA

Field, Barry C., Field, MarthaK.. ENVIRONMENTAL ECONOMICS : An Introduction. Fourth Edition New York: Mc.Graw -Hill Companies, 2006. Teks.

Gaya Turabian

Field, Barry C., Field, MarthaK.. ENVIRONMENTAL ECONOMICS : An Introduction. Fourth Edition New York: Mc.Graw -Hill Companies, 2006. Teks.