Gaya APA

DWYER, F., SHEFRIN, H. (2001). Business marketing : connecting strategy,relationships, and learning / F.Robert Dwyer (Ed.2). Boston: McGraw Hill.

Gaya MLA

DWYER, F.Robert., SHEFRIN, Hersh. "Business marketing : connecting strategy,relationships, and learning / F.Robert Dwyer". Ed.2 Boston: McGraw Hill, 2001. Text.