Cita APA

Hielring, R. G., & Hielring, R. G. (1992). The 1- day marketing plan: Organizing and completing the plan that userks. Lincolnwood, Ill.: NTC Business Books.

Citación estilo Chicago

Hielring, Roman G., y Roman G. Hielring. The 1- Day Marketing Plan: Organizing and Completing the Plan That Userks. Lincolnwood, Ill.: NTC Business Books, 1992.

Cita MLA

Hielring, Roman G., y Roman G. Hielring. The 1- Day Marketing Plan: Organizing and Completing the Plan That Userks. Lincolnwood, Ill.: NTC Business Books, 1992.