Cita APA (7th ed.)

Field, B. C., & Field, M. K. (2016). Environmental economics: An introduction (Seventh Edition.). McGraw-Hill Education.

Cita Chicago (17th ed.)

Field, Barry C., i Martha K. Field. Environmental Economics: An Introduction. Seventh Edition. Dubuque: McGraw-Hill Education, 2016.

Cita MLA (8th ed.)

Field, Barry C., i Martha K. Field. Environmental Economics: An Introduction. Seventh Edition. McGraw-Hill Education, 2016.