Cita APA (7a ed.)

Field, B. C. (2001). Natural resource economics: An introduction. Irwin/McGraw-Hill.

Cita Chicago Style (17a ed.)

Field, Barry C. Natural Resource Economics: An Introduction. Boston, Mass.: Irwin/McGraw-Hill, 2001.

Cita MLA (9a ed.)

Field, Barry C. Natural Resource Economics: An Introduction. Irwin/McGraw-Hill, 2001.