Cyssco, d. r. (2013). Cracking the TOEFL. Test preparation models & problem solving. Puspa Swara.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCyssco, dhanny r. Cracking the TOEFL. Test Preparation Models & Problem Solving. Puspa Swara, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCyssco, dhanny r. Cracking the TOEFL. Test Preparation Models & Problem Solving. Puspa Swara, 2013.
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