APA

Graves K., Rein D., . (1989). East West Student Book 2A. New York: Oxford University Press.

Chicago

Graves Kathleen, Rein David, . 1989. East West Student Book 2A. New York: Oxford University Press.

Harvard

Graves K., Rein D., . (1989). East West Student Book 2A. New York: Oxford University Press.

MLA

Graves Kathleen, Rein David, . East West Student Book 2A. New York: Oxford University Press. 1989.