(2012). Cambridge English: Key for Schools 2. Cambridge University Press.
Chicagoスタイル(17版)引用形式Cambridge English: Key for Schools 2. Cambridge University Press, 2012.
MLA(8版)引用形式Cambridge English: Key for Schools 2. Cambridge University Press, 2012.
警告: この引用は必ずしも正確ではありません.