APA (7e ed.) Bronvermelding

Não informado. (1964). Adult education in Finland. Society for Popular Culture.

Chicago (17e ed.) Bronvermelding

Não informado. Adult Education in Finland. Helsinki: Society for Popular Culture, 1964.

MLA (8e ed.) Bronvermelding

Não informado. Adult Education in Finland. Society for Popular Culture, 1964.

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