Parkinson, M. (2004). Memahami Kuesioner Kepribadian: Personality Questionnarie. Solo: Tiga Serangkai.
Chicago Style CitationParkinson, Mark. Memahami Kuesioner Kepribadian: Personality Questionnarie. Solo: Tiga Serangkai, 2004.
MLA CitationParkinson, Mark. Memahami Kuesioner Kepribadian: Personality Questionnarie. Solo: Tiga Serangkai, 2004.
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