Niepoth, E. W. (1983). Leisure leadership: Working with people in recreation and park settings. Prentice-Hall.
Παραπομπή σε μορφή Chicago (17η εκδ.)Niepoth, E. William. Leisure Leadership: Working with People in Recreation and Park Settings. Englewood Cliffs, New Jersey: Prentice-Hall, 1983.
Παραπομπή σε μορφή MLA (9th εκδ.)Niepoth, E. William. Leisure Leadership: Working with People in Recreation and Park Settings. Prentice-Hall, 1983.
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