Shajahan, S. (2004). Relationship marketing. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoShajahan, S. Relationship Marketing. New York: McGraw-Hill, 2004.
MLA citiranjeShajahan, S. Relationship Marketing. New York: McGraw-Hill, 2004.
Opozorilo: Ti citati niso vedno 100% točni.