APA (7e ed.) Bronvermelding

Não informado. (1955). Physical Education. Physical Education Association.

Chicago (17e ed.) Bronvermelding

Não informado. Physical Education. Birmingham, Inglaterra: Physical Education Association, 1955.

MLA (8e ed.) Bronvermelding

Não informado. Physical Education. Physical Education Association, 1955.

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