Lawday, C. I-Spy: Course Book 3 (1a. ed.). Oxford University Press.
Chicagoスタイル(17版)引用形式Lawday, Cathy. I-Spy: Course Book 3. 1a. ed. New York: Oxford University Press.
MLA(9版)引用形式Lawday, Cathy. I-Spy: Course Book 3. 1a. ed. Oxford University Press.
警告: この引用は必ずしも正確ではありません.