APA

Graves K., Rein D. P., . (1989). East west Student Book 2B. New York: Oxford University Press.

Chicago

Graves Kathleen, Rein David P, . 1989. East west Student Book 2B. New York: Oxford University Press.

Harvard

Graves K., Rein D. P., . (1989). East west Student Book 2B. New York: Oxford University Press.

MLA

Graves Kathleen, Rein David P, . East west Student Book 2B. New York: Oxford University Press. 1989.