PHILIPS, D. (1999). Longman preparation course for the TOEFL test CBT volume: Companion to skills and strategies volume A. Addison Wesley Longman.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPHILIPS, Deborah. Longman Preparation Course for the TOEFL Test CBT Volume: Companion to Skills and Strategies Volume A. New York: Addison Wesley Longman, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPHILIPS, Deborah. Longman Preparation Course for the TOEFL Test CBT Volume: Companion to Skills and Strategies Volume A. Addison Wesley Longman, 1999.
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