Παραπομπή APA

Harris, J. M., & Roach, B. (2014). Environmental and natural resource economics: A contemporary approach (3rd ed.). DBS Imprint.

Παραπομπή Chicago Style

Harris, Jonathan M., και Brian Roach. Environmental and Natural Resource Economics: A Contemporary Approach. 3rd ed. New Delhi: DBS Imprint, 2014.

Παραπομπή MLA

Harris, Jonathan M., και Brian Roach. Environmental and Natural Resource Economics: A Contemporary Approach. 3rd ed. DBS Imprint, 2014.