Gaya APA

WEITZ, B, A. (2009). Selling : Buuilding partnerships / Borton A. Weita, Stephen B. Castleberry, John F. Tanner Jr (Ed.7). New York: McGraw-Hill.

Gaya MLA

WEITZ, Borton, A.. "Selling : Buuilding partnerships / Borton A. Weita, Stephen B. Castleberry, John F. Tanner Jr". Ed.7 New York: McGraw-Hill, 2009. Teks.