APA-čujuhus (7. p.)

Lewis, D. J. (1963). Scientific principles of psychology. Prentice - hall.

Chicago-čujuhus (17. p.)

Lewis, Donald J. Scientific Principles of Psychology. New Jersey: Prentice - hall, 1963.

MLA-čujuhus (9. p.)

Lewis, Donald J. Scientific Principles of Psychology. Prentice - hall, 1963.

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