Littlejohn, A., & Hicks, D. (1998). Cambridge english for schools: Student's book four. Cambridge University Press.
Chicagoスタイル(17版)引用形式Littlejohn, Andrew, , Diana Hicks. Cambridge English for Schools: Student's Book Four. Cambridge: Cambridge University Press, 1998.
MLA(9版)引用形式Littlejohn, Andrew, , Diana Hicks. Cambridge English for Schools: Student's Book Four. Cambridge University Press, 1998.
警告: この引用は必ずしも正確ではありません.