APA aipamena

Chatak G.R. (2007). Sustainable Tourism codes and guidelines/1e. Cyber Tech.

Chicago Style aipamena

Chatak G.R. Sustainable Tourism Codes and Guidelines/1e. Cyber Tech, 2007.

MLA aipamena

Chatak G.R. Sustainable Tourism Codes and Guidelines/1e. Cyber Tech, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.