APA (7e ed.) Bronvermelding

Field, B. C., & Field, B. C. (2006). Environmental Economics: An introductionBarry C. Field and Martha K. Field. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Field, Barry C., en Barry C. Field. Environmental Economics: An IntroductionBarry C. Field and Martha K. Field. McGraw-Hill, 2006.

MLA (8e ed.) Bronvermelding

Field, Barry C., en Barry C. Field. Environmental Economics: An IntroductionBarry C. Field and Martha K. Field. McGraw-Hill, 2006.

Let op: Deze citaties zijn niet altijd 100% accuraat.