Gaya APA

M.A., M, A, P., M.A., M, E, M. (1991). Toefl preparation guide test of english as a foreign languege . Singapura: Jhon Wiley & Sons.

Gaya MLA

M.A., Michael, A., Pyle,., M.A., Mary, Ellen, Munoz,. "Toefl preparation guide test of english as a foreign languege". Singapura: Jhon Wiley & Sons, 1991. Text.