APA (7e ed.) Bronvermelding
(1980). Recreation and leisure: Issues in an era of change. Venture Publishing.
Chicago (17e ed.) Bronvermelding
Recreation and Leisure: Issues in an Era of Change. Pennsylvania: Venture Publishing, 1980.
MLA (9e ed.) Bronvermelding
Recreation and Leisure: Issues in an Era of Change. Venture Publishing, 1980.
Let op: Deze citaties zijn niet altijd 100% accuraat.