Kraus, R. G. (1997). Recreation programming: A benefits-driven approach. Allyn and Bacon.
Cita Chicago (17th ed.)Kraus, Richard G. Recreation Programming: A Benefits-driven Approach. Boston: Allyn and Bacon, 1997.
Cita MLA (9th ed.)Kraus, Richard G. Recreation Programming: A Benefits-driven Approach. Allyn and Bacon, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.