एपीए उद्धरण

Howard S.friedman & Howard S.friedman. (2003). Personality classic theories and modern research (Ed.2.). Pearson education.

शिकागो स्टाइल उद्धरण

Howard S.friedman और Howard S.friedman. Personality Classic Theories and Modern Research. Ed.2. New delhi: Pearson education, 2003.

एमएलए उद्धरण

Howard S.friedman और Howard S.friedman. Personality Classic Theories and Modern Research. Ed.2. Pearson education, 2003.