APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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