FUNK WILFRED. (2022). 30 DAYS TO A MORE POWERFUL VOCABULARY (2022.). POCKET BOOKS.
Chicagoスタイル(17版)引用形式FUNK WILFRED. 30 DAYS TO A MORE POWERFUL VOCABULARY. 2022. NEWYORK: POCKET BOOKS, 2022.
MLA(9版)引用形式FUNK WILFRED. 30 DAYS TO A MORE POWERFUL VOCABULARY. 2022. POCKET BOOKS, 2022.
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