Wellman, G. (1998). The Heinemann English wordbuilder. Heinemann.
Chicagoスタイル(17版)引用形式Wellman, Guy. The Heinemann English Wordbuilder. Oxford: Heinemann, 1998.
MLA(8版)引用形式Wellman, Guy. The Heinemann English Wordbuilder. Heinemann, 1998.
警告: この引用は必ずしも正確ではありません.