Cita APA

FIELD, B. C., & FIELD, B. C. (1994). Environmental Economics An Introduction Barry C. Field. McGraw-Hill.

Chicago Style (17th ed.) Citation

FIELD, Barry C., i Barry C. FIELD. Environmental Economics An Introduction Barry C. Field. McGraw-Hill, 1994.

Cita MLA

FIELD, Barry C., i Barry C. FIELD. Environmental Economics An Introduction Barry C. Field. McGraw-Hill, 1994.