APA Style

Fromkin, V., Subagyo, P. (2009). An Introduction to Language (9). New York: New York: wadsworth Cengage Learning,.

MLA Style

Fromkin, Victoria., Subagyo, Poni. "An Introduction to Language". 9 New York: New York: wadsworth Cengage Learning,, 2009. Pend. BHS.Inggris.