Torkildsen, G. (1986). leisure and recreation management (2nd. ed.). E.& F. N. Spon.
芝加哥风格引文Torkildsen, George. Leisure and Recreation Management. 2nd. ed. London: E.& F. N. Spon, 1986.
MLA引文Torkildsen, George. Leisure and Recreation Management. 2nd. ed. E.& F. N. Spon, 1986.
警告：这些引文格式不一定是100％准确.