APA (7. basım) Alıntı

Yorkey, R. C., Barrutia, R., & Uhl Chamot, A. English for International communication. Teacher´s edition.

Chicago Style (17. basım) Atıf

Yorkey, Richard C., Richard Barrutia, ve Anna Uhl Chamot. English for International Communication. Teacher´s Edition.

MLA (8th ed.) Atıf

Yorkey, Richard C., et al. English for International Communication. Teacher´s Edition.