Gaya APA

Woodill, A, H, ;, G. (2010). Training and collaboration with virtual worlds: how to create cost-saving, efficient, and engaging programs . New York: Sams.

Gaya MLA

Woodill, Alex, Heiphetz, ;, Gary. "Training and collaboration with virtual worlds: how to create cost-saving, efficient, and engaging programs". New York: Sams, 2010. Text.