APA (7e ed.) Bronvermelding

Não informado. (1966). Programmed learning and educational technology. Association for Programmed Learning.

Chicago (17e ed.) Bronvermelding

Não informado. Programmed Learning and Educational Technology. London: Association for Programmed Learning, 1966.

MLA (8e ed.) Bronvermelding

Não informado. Programmed Learning and Educational Technology. Association for Programmed Learning, 1966.

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