Hanly B., B. e. a. A workbook of english composition and conversation. Universidad de Costa Rica.
Chicagoスタイル(17版)引用形式Hanly B., Brian et al. A Workbook of English Composition and Conversation. San José, Costa Rica: Universidad de Costa Rica.
MLA(9版)引用形式Hanly B., Brian et al. A Workbook of English Composition and Conversation. Universidad de Costa Rica.
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