Kagan, J., & Lang, C. (1978). Psychology and education: An introduction. Harcourt Brace Jovanovich.
Chicago-čujuhus (17. p.)Kagan, Jerome, juo Cynthia Lang. Psychology and Education: An Introduction. New York: Harcourt Brace Jovanovich, 1978.
MLA-čujuhus (9. p.)Kagan, Jerome, juo Cynthia Lang. Psychology and Education: An Introduction. Harcourt Brace Jovanovich, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.