Dyfyniad APA

Sontakki, C. (1997). Salesmanship and adverstising. Kalyani publishers.

Dyfyniad Arddull Chicago

Sontakki, C.N. Salesmanship and Adverstising. New Delhi: Kalyani publishers, 1997.

Dyfyniad MLA

Sontakki, C.N. Salesmanship and Adverstising. Kalyani publishers, 1997.

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