Hill, L. A. (1983). Word power 4500: Vocabulary tests and exercises in American English. Oxford Oxford University Press K.K.
Chicago Style aipamenaHill, L. A. Word Power 4500: Vocabulary Tests and Exercises in American English. Tokyo: Oxford Oxford University Press K.K, 1983.
MLA aipamenaHill, L. A. Word Power 4500: Vocabulary Tests and Exercises in American English. Oxford Oxford University Press K.K, 1983.
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