Freysinger, V.J. (1988). The experience of leisure in middle adulthood: Gender differences and change since young adulthood. Unpublished doctoral dissertation, University of Wisconsin, Madison, Wisconsin.
英
美
- 侯锦雄,(1990),游憩区游憩动机与游憩认知间关系之研究,博士论文,台湾大学园艺研究所,台北。