Lua APA (7ú heag.)

PERVIN, L., & JOHN, O. P. (1997). Personality: Theory and research.-- ed.7. John Wiley and Sons.

Lua i Stíl Chicago (17ú heag.)

PERVIN, Lawrence, agus Oliver P. JOHN. Personality: Theory and Research.-- Ed.7. New York: John Wiley and Sons, 1997.

Lua MLA (9ú heag.)

PERVIN, Lawrence, agus Oliver P. JOHN. Personality: Theory and Research.-- Ed.7. John Wiley and Sons, 1997.

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