Dyfyniad APA

Institute of Recreation Management. (1981). Recreation managemet handbook (3rd. ed.). E & F N Spon.

Dyfyniad Arddull Chicago

Institute of Recreation Management. Recreation Managemet Handbook. 3rd. ed. London: E & F N Spon, 1981.

Dyfyniad MLA

Institute of Recreation Management. Recreation Managemet Handbook. 3rd. ed. E & F N Spon, 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.