APA aipamena

Heller,Robert, & Hindle,Tim. (2008). Selling successfully. Dorling Kindersley.

Chicago Style aipamena

Heller,Robert, and Hindle,Tim. Selling Successfully. London: Dorling Kindersley, 2008.

MLA aipamena

Heller,Robert, and Hindle,Tim. Selling Successfully. Dorling Kindersley, 2008.

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