Tohutoro APA (7th ed.)
Helms, J. L., Rogers, D. T., & Schuster, G. (2015). Majoring in psychology: Achieving your educational and career goals (Second edition.). Wiley Blackwell.
Tohutoru Kātū Chicago (17th ed.)
Helms, Jeffrey L., Daniel T. Rogers, me Gregor Schuster. Majoring in Psychology: Achieving Your Educational and Career Goals. Second edition. Chichester, England: Wiley Blackwell, 2015.
Tohutoro MLA (9th ed.)
Helms, Jeffrey L., et al. Majoring in Psychology: Achieving Your Educational and Career Goals. Second edition. Wiley Blackwell, 2015.
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