Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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