Pyle, M. A. (2003). Cliffs testprep TOEFL CBT: Computer based test of English as a foreign language. John Wiley.
استشهاد بنمط شيكاغوPyle, Michael A. Cliffs Testprep TOEFL CBT: Computer Based Test of English as a Foreign Language. New Delhi: John Wiley, 2003.
MLA استشهادPyle, Michael A. Cliffs Testprep TOEFL CBT: Computer Based Test of English as a Foreign Language. John Wiley, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.