Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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