Educational Testing Service. (2007). The official guide to the new TOEFL iBT (Second edition.). New York, NY: McGraw-Hill.
Chicago Style CitationEducational Testing Service. The Official Guide to the New TOEFL IBT. Second edition. New York, NY: McGraw-Hill, 2007.
MLA CitationEducational Testing Service. The Official Guide to the New TOEFL IBT. Second edition. New York, NY: McGraw-Hill, 2007.
Warning: These citations may not always be 100% accurate.