Allen, B. P. (2006). Personality theories: Development, growth, and diversity (5th ed.). Pearson, Allyn and Bacon.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAllen, Bem P. Personality Theories: Development, Growth, and Diversity. 5th ed. Boston, New York: Pearson, Allyn and Bacon, 2006.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAllen, Bem P. Personality Theories: Development, Growth, and Diversity. 5th ed. Pearson, Allyn and Bacon, 2006.
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