APA način citiranja

Hales, a. (2013). Fundamentals of environmental economics (1.). Random exports.

Čikaški stil citiranja

Hales, alexander. Fundamentals of Environmental Economics. 1. Newdelhi: Random exports, 2013.

MLA način citiranja

Hales, alexander. Fundamentals of Environmental Economics. 1. Random exports, 2013.