APA Citation

Harper Alvarado, M. (1990). Marketing of information products and services. Universidad Nacional, Costa Rica.

Chicago Style Citation

Harper Alvarado, Marlene. Marketing of Information Products and Services. Universidad Nacional, Costa Rica, 1990.

MLA Citation

Harper Alvarado, Marlene. Marketing of Information Products and Services. Universidad Nacional, Costa Rica, 1990.

Warning: These citations may not always be 100% accurate.