Henderson, A. J. (2003). The E-learning question and answer book: A survival guide for trainers and business managers. Amacon.

Henderson, Allan J. The E-learning Question and Answer Book: A Survival Guide for Trainers and Business Managers. New York: Amacon, 2003.

Henderson, Allan J. The E-learning Question and Answer Book: A Survival Guide for Trainers and Business Managers. Amacon, 2003.