Tracy, B., & Huyền Trang. (2017). Những đòn tâm lý trong bán hàng =: Psychology of selling. H: Lao động.
শিকাগো স্টাইলে সাইটেশনTracy, Brain, এবং Huyền Trang. Những đòn Tâm Lý Trong Bán Hàng =: Psychology of Selling. H: Lao động, 2017.
এমএলএ সাইটেশনTracy, Brain, এবং Huyền Trang. Những đòn Tâm Lý Trong Bán Hàng =: Psychology of Selling. H: Lao động, 2017.
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