Mascull, B., & Heitler, D. (2006). Market leader: Upper intermediate business English teacher's book (1a. ed.). Pearson Education Limited.
Chicagoスタイル(17版)引用形式Mascull, Bill, , David Heitler. Market Leader: Upper Intermediate Business English Teacher's Book. 1a. ed. Essex: Pearson Education Limited, 2006.
MLA(9版)引用形式Mascull, Bill, , David Heitler. Market Leader: Upper Intermediate Business English Teacher's Book. 1a. ed. Pearson Education Limited, 2006.
警告: この引用は必ずしも正確ではありません.