Não informado. (1969). Journal of Leisure Research. National Recreation and Park Association.
Style de citation Chicago (17e éd.)Não informado. Journal of Leisure Research. Washington: National Recreation and Park Association, 1969.
Style de citation MLA (8e éd.)Não informado. Journal of Leisure Research. National Recreation and Park Association, 1969.
Attention : ces citations peuvent ne pas être correctes à 100%.