APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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