Lewis, N. (2015). Word Power Made Easy: The Most Effective Vocabulary Builder in the English Language! Goyal Publishers & Distributors Pvt. Ltd.
Chicagoスタイル(17版)引用形式Lewis, Norman. Word Power Made Easy: The Most Effective Vocabulary Builder in the English Language! New Delhi: Goyal Publishers & Distributors Pvt. Ltd, 2015.
MLA(9版)引用形式Lewis, Norman. Word Power Made Easy: The Most Effective Vocabulary Builder in the English Language! Goyal Publishers & Distributors Pvt. Ltd, 2015.
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