Allen, C. L., & Hobt, A. W. (1944). Recreation handbook for group leaders. University of Tennessee, Division of university extension.
Chicago-viite (17. p.)Allen, Catherine Louise, ja Albert Watt Hobt. Recreation Handbook for Group Leaders. Knoxville, Tenn.: University of Tennessee, Division of university extension, 1944.
MLA-viite (8. p.)Allen, Catherine Louise, ja Albert Watt Hobt. Recreation Handbook for Group Leaders. University of Tennessee, Division of university extension, 1944.
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