APA (7e ed.) Bronvermelding

Não informado. (1921). International Labour Review. International Labour Office.

Chicago (17e ed.) Bronvermelding

Não informado. International Labour Review. Geneva, Suíça: International Labour Office, 1921.

MLA (8e ed.) Bronvermelding

Não informado. International Labour Review. International Labour Office, 1921.

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