Não informado. (1969). Journal of Leisure Research. National Recreation and Park Association.
Cita Chicago Style (17a ed.)Não informado. Journal of Leisure Research. Washington: National Recreation and Park Association, 1969.
Cita MLA (8a ed.)Não informado. Journal of Leisure Research. National Recreation and Park Association, 1969.
Precaución: Estas citas no son 100% exactas.