Pittman, G. (1975). Preparatory technical english. Longman.
Chicagoスタイル(17版)引用形式Pittman, G.A. Preparatory Technical English. London: Longman, 1975.
MLA(9版)引用形式Pittman, G.A. Preparatory Technical English. Longman, 1975.
警告: この引用は必ずしも正確ではありません.
Pittman, G. (1975). Preparatory technical english. Longman.
Chicagoスタイル(17版)引用形式Pittman, G.A. Preparatory Technical English. London: Longman, 1975.
MLA(9版)引用形式Pittman, G.A. Preparatory Technical English. Longman, 1975.