Gaya APA

Raad, B, D. (2000). The Big Five Personality Factors : The Psycholexical Approach to Personality . USA: Hoegrefe & Huber Publishers.

Gaya MLA

Raad, Boele, De. "The Big Five Personality Factors : The Psycholexical Approach to Personality". USA: Hoegrefe & Huber Publishers, 2000. Text.