APA Style

Pyle, M, A., ellen, M, M. (1991). Clifs Toefl Preparation Guide: Test Of Englis As a Foreign Language . Boston: John Wiley & Sons.

MLA Style

Pyle, Michael, A., ellen, Munoz, Mary. "Clifs Toefl Preparation Guide: Test Of Englis As a Foreign Language". Boston: John Wiley & Sons, 1991. Bahasa Inggris.