Alexander, L. G. (1976). Developing skills: An integrated course for intermediate students. Longman.
Chicagoスタイル(17版)引用形式Alexander, Louis George. Developing Skills: An Integrated Course for Intermediate Students. Londres: Longman, 1976.
MLA(9版)引用形式Alexander, Louis George. Developing Skills: An Integrated Course for Intermediate Students. Longman, 1976.
警告: この引用は必ずしも正確ではありません.