Gaya APA

Schank, R, C. (2002). Designing world-class e-learning: how IBM, GE, Harvard Business School, and Columbia University are Secceeding at e-learning . New York: McGraw-Hill.

Gaya MLA

Schank, Roger, C.. "Designing world-class e-learning: how IBM, GE, Harvard Business School, and Columbia University are Secceeding at e-learning". New York: McGraw-Hill, 2002. Text.