Não informado. (2002). Parks & Recreation. National Recreation and Park Association.
Cita Chicago Style (17a ed.)Não informado. Parks & Recreation. Arlington, Va: National Recreation and Park Association, 2002.
Cita MLA (8a ed.)Não informado. Parks & Recreation. National Recreation and Park Association, 2002.
Precaución: Estas citas no son 100% exactas.