Tracy, B. (2008). The psychology of selling / Psikologi menjual. Kuala Lumpur: PTS Professional Publishing.
Chicago Style CitationTracy, Brian. The Psychology of Selling / Psikologi Menjual. Kuala Lumpur: PTS Professional Publishing, 2008.
MLA CitationTracy, Brian. The Psychology of Selling / Psikologi Menjual. Kuala Lumpur: PTS Professional Publishing, 2008.
Warning: These citations may not always be 100% accurate.