APA (7e ed.) Bronvermelding

Não informado. Physical Recreation. Central Council of Physical Recreation.

Chicago (17e ed.) Bronvermelding

Não informado. Physical Recreation. London: Central Council of Physical Recreation.

MLA (8e ed.) Bronvermelding

Não informado. Physical Recreation. Central Council of Physical Recreation.

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