Institute of Recreation Management. (1981). The recreation management handbook. E. and F. N. Spon.
Chicago-viite (17. p.)Institute of Recreation Management. The Recreation Management Handbook. London: E. and F. N. Spon, 1981.
MLA-viite (9. p.)Institute of Recreation Management. The Recreation Management Handbook. E. and F. N. Spon, 1981.
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