Gaya APA

Pyle, M, A. (1991). Cliffs test of english as a foreign language (TOEFL): preparation guide + kaset . Singapore: John Wiley & Sons.

Gaya MLA

Pyle, Michael, A.. "Cliffs test of english as a foreign language (TOEFL): preparation guide + kaset". Singapore: John Wiley & Sons, 1991. Text.