APA aipamena

Raad, B. d., & Perugini, M. (2002). Big five assessment. Heogrefe & Huber.

Chicago Style aipamena

Raad, Boele de, and Marco Perugini. Big Five Assessment. Seattle: Heogrefe & Huber, 2002.

MLA aipamena

Raad, Boele de, and Marco Perugini. Big Five Assessment. Heogrefe & Huber, 2002.