APA (7th ed.) Zitazioa

Sadler, R. (2012). Virtual worlds for language learning: From theory to practice. P. Lang.

Chicago Style (17th ed.) Zitazioa

Sadler, Randall. Virtual Worlds for Language Learning: From Theory to Practice. Bern ; New York: P. Lang, 2012.

MLA (9th ed.) Zitazioa

Sadler, Randall. Virtual Worlds for Language Learning: From Theory to Practice. P. Lang, 2012.