Brook-Hart G. Guy. (2009). Complete First Certificate. Cambridge, Cambridge University Press, 2009.
Chicagoスタイル(17版)引用形式Brook-Hart G. Guy. Complete First Certificate. Cambridge, Cambridge University Press, 2009, 2009.
MLA(9版)引用形式Brook-Hart G. Guy. Complete First Certificate. Cambridge, Cambridge University Press, 2009, 2009.
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