Cita APA

Yorkey, R. C. (1977). English for international communication. Jilid 2. American Book.

Citación estilo Chicago

Yorkey, Richard C. English for International Communication. Jilid 2. American Book, 1977.

Cita MLA

Yorkey, Richard C. English for International Communication. Jilid 2. American Book, 1977.

Warning: These citations may not always be 100% accurate.