Gaya APA

Russell, F, A. (1985). Text Book Of Salesmanship Frederic A. Russell, Frank H. Beach, Richard H. Buskirk (Second). New York: McGraw-Hii.

Gaya MLA

Russell, Frederic, A.. "Text Book Of Salesmanship Frederic A. Russell, Frank H. Beach, Richard H. Buskirk". Second New York: McGraw-Hii, 1985. FAKULTAS EKONOMI.