Jensen, C. R. (1977). Leisure and recreation: Introduction and overview. Lea & Febiger.
芝加哥风格引文Jensen, Clayne R. Leisure and Recreation: Introduction and Overview. Philadelphia: Lea & Febiger, 1977.
MLA引文Jensen, Clayne R. Leisure and Recreation: Introduction and Overview. Lea & Febiger, 1977.
警告：这些引文格式不一定是100％准确.