Sefton, J. M., & Mummery, W. K. (1995). Benefits of recreation research update. Venture.
Cita Chicago Style (17a ed.)Sefton, Judy M., y W. Kerry Mummery. Benefits of Recreation Research Update. State College, Pennsylvania: Venture, 1995.
Cita MLA (9a ed.)Sefton, Judy M., y W. Kerry Mummery. Benefits of Recreation Research Update. Venture, 1995.
Precaución: Estas citas no son 100% exactas.