Gower, R. (2004). Grammar in practice 3 (First edition.). Cambridge University Press.
Chicagoスタイル(17版)引用形式Gower, Roger. Grammar in Practice 3. First edition. Cambridge: Cambridge University Press, 2004.
MLA(9版)引用形式Gower, Roger. Grammar in Practice 3. First edition. Cambridge University Press, 2004.
警告: この引用は必ずしも正確ではありません.