APA način citiranja

Rojas, C. (1999). Ecologically dangerous and economically uncertain tourism.

Čikaški stil citiranja

Rojas, Carmen. Ecologically Dangerous and Economically Uncertain Tourism. 1999.

MLA način citiranja

Rojas, Carmen. Ecologically Dangerous and Economically Uncertain Tourism. 1999.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.