Kraus, R. G., & Curtis, J. E. (1990). Creative management in recreation, parks, and leisure services (5th ed.). Times Mirror/Mosby College Pub..
Chicago-viite (17. p.)Kraus, Richard G., ja Joseph E. Curtis. Creative Management in Recreation, Parks, and Leisure Services. 5th ed. St. Louis: Times Mirror/Mosby College Pub., 1990.
MLA-viite (8. p.)Kraus, Richard G., ja Joseph E. Curtis. Creative Management in Recreation, Parks, and Leisure Services. 5th ed. Times Mirror/Mosby College Pub., 1990.
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