APA (7e ed.) Bronvermelding

FIELD, B. C. (2017). Environmental economics: An introduction 7th ed./ Barry C. Field dan Martha K. Field. Mc GrawHill.

Chicago (17e ed.) Bronvermelding

FIELD, Barry C. Environmental Economics: An Introduction 7th Ed./ Barry C. Field Dan Martha K. Field. Mc GrawHill, 2017.

MLA (8e ed.) Bronvermelding

FIELD, Barry C. Environmental Economics: An Introduction 7th Ed./ Barry C. Field Dan Martha K. Field. Mc GrawHill, 2017.

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