APA-čujuhus (7. p.)
Gelfand, H., & Walker, C. J. (2002). Mastering APA style: Student's workbook and training guide (6th ed.). American Psychological Association.
Chicago-čujuhus (17. p.)
Gelfand, Harold, juo Charles J. Walker. Mastering APA Style: Student's Workbook and Training Guide. 6th ed. Washington, DC: American Psychological Association, 2002.
MLA-čujuhus (9. p.)
Gelfand, Harold, juo Charles J. Walker. Mastering APA Style: Student's Workbook and Training Guide. 6th ed. American Psychological Association, 2002.
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