APA aipamena

Ashworth, G. J. (1984). Recreation and tourism. Bell & Hyman.

Chicago Style aipamena

Ashworth, G. J. Recreation and Tourism. London: Bell & Hyman, 1984.

MLA aipamena

Ashworth, G. J. Recreation and Tourism. Bell & Hyman, 1984.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.