Gaya APA

Buchan, J., Hedge, T, &, B, J. (1994). Oxford Bookworms [Stage 4]: The Thirty Nine Steps (Cet. 1.--). New York: Oxford University Press.

Gaya MLA

Buchan, John., Hedge, Tricia, &, Bassett,, Jennifer. "Oxford Bookworms [Stage 4]: The Thirty Nine Steps". Cet. 1.-- New York: Oxford University Press, 1994. Text.