Gregory, J. R., & Wiechmann, J. G. (1999). Marketing corporate image: The company as your number one product (2nd ed.). Lincolnwood, IL: NTC Business Books.
Trích dẫn kiểu ChicagoGregory, James R., và Jack G. Wiechmann. Marketing Corporate Image: The Company As Your Number One Product. 2nd ed. Lincolnwood, IL: NTC Business Books, 1999.
MLA引文Gregory, James R., và Jack G. Wiechmann. Marketing Corporate Image: The Company As Your Number One Product. 2nd ed. Lincolnwood, IL: NTC Business Books, 1999.
警告：這些引文格式不一定是100％准確.