Gaya APA

HEIPHETZ, A., Woodill, G. (2010). Training and Collaboration with Virtual Worlds : How to Create-Saving, Efficient, and Engaging Programs . New York: Jemmars.

Gaya MLA

HEIPHETZ, Alex., Woodill, Gary. "Training and Collaboration with Virtual Worlds : How to Create-Saving, Efficient, and Engaging Programs". New York: Jemmars, 2010. Text.