APA (7e ed.) Bronvermelding

Leypoldt, M. M. (1971). Learning is change. Judson Press.

Chicago (17e ed.) Bronvermelding

Leypoldt, Martha M. Learning Is Change. Valley Forge, Pa.: Judson Press, 1971.

MLA (8e ed.) Bronvermelding

Leypoldt, Martha M. Learning Is Change. Judson Press, 1971.