ECKERSLEY, C. (1970). Essential English for foreign students: ECKERSLEY, C.E. Longman.
Chicagoスタイル(17版)引用形式ECKERSLEY, C.E. Essential English for Foreign Students: ECKERSLEY, C.E. London: Longman, 1970.
MLA(9版)引用形式ECKERSLEY, C.E. Essential English for Foreign Students: ECKERSLEY, C.E. Longman, 1970.
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