APA (7e ed.) Bronvermelding

Não informado. (1984). World leisure & recreation. World Leisure and Recreation Association.

Chicago (17e ed.) Bronvermelding

Não informado. World Leisure & Recreation. New York: World Leisure and Recreation Association, 1984.

MLA (8e ed.) Bronvermelding

Não informado. World Leisure & Recreation. World Leisure and Recreation Association, 1984.

Let op: Deze citaties zijn niet altijd 100% accuraat.