Gaya APA

Tracy, B., Wanayu, W. (2025). The Psychology of Selling: Lipat Gandakan Penjualan Anda di Pasar Manapun (Cet. 7). Jakarta: Bhuana Ilmu Populer.

Gaya MLA

Tracy, Brian., Wanayu, Windayati. "The Psychology of Selling: Lipat Gandakan Penjualan Anda di Pasar Manapun". Cet. 7 Jakarta: Bhuana Ilmu Populer, 2025. Book.