APA-čujuhus (7. p.)

Lefton, L. A., & Valvatne, L. (1986). Mastering Psychology (2nd ed.). Allyn & Bacon.

Chicago-čujuhus (17. p.)

Lefton, Lester A., juo Laura Valvatne. Mastering Psychology. 2nd ed. Boston: Allyn & Bacon, 1986.

MLA-čujuhus (9. p.)

Lefton, Lester A., juo Laura Valvatne. Mastering Psychology. 2nd ed. Allyn & Bacon, 1986.

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