Cita APA

Hornby, A., & Mackin, R. (1968). Oxford progressive English alternate course. 4V.

Citación estilo Chicago

Hornby, As, and R. Mackin. Oxford Progressive English Alternate Course. 4V. 1968.

Cita MLA

Hornby, As, and R. Mackin. Oxford Progressive English Alternate Course. 4V. 1968.

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