APA (7e ed.) Bronvermelding

Callender, P. (1969). Programmed learning: Its development and structure. Longmans.

Chicago (17e ed.) Bronvermelding

Callender, Patricia. Programmed Learning: Its Development and Structure. Harlow: Longmans, 1969.

MLA (8e ed.) Bronvermelding

Callender, Patricia. Programmed Learning: Its Development and Structure. Longmans, 1969.

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