Torkildsen, G. (1986). leisure and recreation management (2nd. ed.). E.& F. N. Spon.
Cita Chicago (17th ed.)Torkildsen, George. Leisure and Recreation Management. 2nd. ed. London: E.& F. N. Spon, 1986.
Cita MLA (9th ed.)Torkildsen, George. Leisure and Recreation Management. 2nd. ed. E.& F. N. Spon, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.