Lougheed, L. (2003). 600 essential words for the TOEIC test: Test of English for international communication (2nd ed.). Barron's.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLougheed, Lin. 600 Essential Words for the TOEIC Test: Test of English for International Communication. 2nd ed. Hauppauge, N.Y.: Barron's, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLougheed, Lin. 600 Essential Words for the TOEIC Test: Test of English for International Communication. 2nd ed. Barron's, 2003.
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