APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：这些引文格式不一定是100％准确.