kelly, R. (1971). The use of English for Technical students. The English language book society.
Chicagoスタイル(17版)引用形式kelly, R. The Use of English for Technical Students. NULL: The English language book society, 1971.
MLA(9版)引用形式kelly, R. The Use of English for Technical Students. The English language book society, 1971.
警告: この引用は必ずしも正確ではありません.