Hutchinson, T. (1991). English Project 1: Activity book (17th. ed.). Oxford University Press.
Chicagoスタイル(17版)引用形式Hutchinson, Tom. English Project 1: Activity Book. 17th. ed. Oxford: Oxford University Press, 1991.
MLA(9版)引用形式Hutchinson, Tom. English Project 1: Activity Book. 17th. ed. Oxford University Press, 1991.
警告: この引用は必ずしも正確ではありません.