APA (7th ed.) Zitazioa
ebrary, Inc, Cushman, G., Veal, A. J., & Zuzanek, J. (2004). Free time and leisure participation: International perspectives. CABI Pub..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Grant Cushman, Anthony James Veal, eta Jiri Zuzanek. Free Time and Leisure Participation: International Perspectives. Cambridge, MA: CABI Pub., 2004.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Free Time and Leisure Participation: International Perspectives. CABI Pub., 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.