Gaya APA

HORNBY, A.S.. (1967). Oxford Progressive English Alternative Course book c . London: Oxford University Press.

Gaya Chicago

HORNBY, A.S.. Oxford Progressive English Alternative Course book c. London: Oxford University Press, 1967. Teks.

Gaya MLA

HORNBY, A.S.. Oxford Progressive English Alternative Course book c. London: Oxford University Press, 1967. Teks.

Gaya Turabian

HORNBY, A.S.. Oxford Progressive English Alternative Course book c. London: Oxford University Press, 1967. Teks.