Gaya APA

Sharpe, P, J. (1999). Practice exercisesfor the ToEFL : test of english as a foreign language (8 th edition). New York, USA: Barron's Educational Series Inc..

Gaya MLA

Sharpe, Pamela, J.. "Practice exercisesfor the ToEFL : test of english as a foreign language". 8 th edition New York, USA: Barron's Educational Series Inc., 1999. Text.