Jones, L., & Leo jones. (1986). Progress to Proficiency: Student is book. Cambridge University Press: Cambridge.
シカゴスタイル引用形Jones, Leo, , Leo jones. Progress to Proficiency: Student Is Book. Cambridge University Press: Cambridge, 1986.
MLA引用形式Jones, Leo, , Leo jones. Progress to Proficiency: Student Is Book. Cambridge University Press: Cambridge, 1986.
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