Cita APA

Karl, T. (1994). The lighter side of TEFL: A teacher's resource book of fun activities for students of english as a foreign language. Washington, D.C.: Materials development and review branch.

Citación estilo Chicago

Karl, Thomas. The Lighter Side of TEFL: A Teacher's Resource Book of Fun Activities for Students of English As a Foreign Language. Washington, D.C.: Materials development and review branch, 1994.

Cita MLA

Karl, Thomas. The Lighter Side of TEFL: A Teacher's Resource Book of Fun Activities for Students of English As a Foreign Language. Washington, D.C.: Materials development and review branch, 1994.