Harper Alvarado, M. (1990). Marketing of information products and services. Universidad Nacional, Costa Rica.
Chicago Style CitationHarper Alvarado, Marlene. Marketing of Information Products and Services. Universidad Nacional, Costa Rica, 1990.
MLA CitationHarper Alvarado, Marlene. Marketing of Information Products and Services. Universidad Nacional, Costa Rica, 1990.
Warning: These citations may not always be 100% accurate.