APA ציטוט

Roberts, K. (2004). The leisure industries. New York: Palgrave Macmillan.

Trích dẫn kiểu Chicago

Roberts, Ken. The Leisure Industries. New York: Palgrave Macmillan, 2004.

ציטוט MLA

Roberts, Ken. The Leisure Industries. New York: Palgrave Macmillan, 2004.