Hall, J. T. (1966). School recreation: Its organization, supervision and administration. Dubuque, Iowa: WM.C. Brown Company Publishers.
Παραπομπή Chicago StyleHall, J. Tillman. School Recreation: Its Organization, Supervision and Administration. Dubuque, Iowa: WM.C. Brown Company Publishers, 1966.
Παραπομπή MLAHall, J. Tillman. School Recreation: Its Organization, Supervision and Administration. Dubuque, Iowa: WM.C. Brown Company Publishers, 1966.
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