APA
Oxford Uni, . (1981). Guidge English language. New York: Oxford University Press.
Chicago
Oxford Uni, . 1981. Guidge English language. New York: Oxford University Press.
Harvard
Oxford Uni, . (1981). Guidge English language. New York: Oxford University Press.
MLA
Oxford Uni, . Guidge English language. New York: Oxford University Press. 1981.
