Torkildsen, G. (1999). Leisure and recreation management (4th ed.). E & FN Spon.
Čikaški stil citiranja (17. izdanje)Torkildsen, George. Leisure and Recreation Management. 4th ed. London ; New York: E & FN Spon, 1999.
MLA način citiranja (9. izdanje)Torkildsen, George. Leisure and Recreation Management. 4th ed. E & FN Spon, 1999.
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