APA aipamena

Juan, P. U. (2011). Greening the hospitality industry. Sunday Times Magazine.

Chicago Style aipamena

Juan, Pacita U. "Greening the Hospitality Industry." Sunday Times Magazine 2011.

MLA aipamena

Juan, Pacita U. "Greening the Hospitality Industry." Sunday Times Magazine, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.