APA (7e ed.) Bronvermelding

National Recreation and Park Association. (1974). Trends for the handicapped. National Recreation and Park Assoc. Park Practice Program.

Chicago (17e ed.) Bronvermelding

National Recreation and Park Association. Trends for the Handicapped. Arlington, Va.: National Recreation and Park Assoc. Park Practice Program, 1974.

MLA (8e ed.) Bronvermelding

National Recreation and Park Association. Trends for the Handicapped. National Recreation and Park Assoc. Park Practice Program, 1974.