APA (7th ed.) Zitazioa

Hartwick, J. M., & Olewiler, N. D. (1998). The economics of natural resources use (2a. ed.). Addison-Wesley.

Chicago Style (17th ed.) Zitazioa

Hartwick, John M., eta Nancy D. Olewiler. The Economics of Natural Resources Use. 2a. ed. Reading: Addison-Wesley, 1998.

MLA (9th ed.) Zitazioa

Hartwick, John M., eta Nancy D. Olewiler. The Economics of Natural Resources Use. 2a. ed. Addison-Wesley, 1998.