Friend, C. E., Knight, L. D., & Glazier, T. F. (2012). The least you should know about vocabulary building: Word roots (Seventh edition, International edition.). Wadsworth Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFriend, Carol E., Laura D. Knight, और Teresa Ferster Glazier. The Least You Should Know About Vocabulary Building: Word Roots. Seventh edition, International edition. Australia: Wadsworth Cengage Learning, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFriend, Carol E., et al. The Least You Should Know About Vocabulary Building: Word Roots. Seventh edition, International edition. Wadsworth Cengage Learning, 2012.
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