Abbott, G. W. (1969). Conditionals (1a. ed.). Longmans, Green and Co.
Chicagoスタイル(17版)引用形式Abbott, G. W. Conditionals. 1a. ed. Londres: Longmans, Green and Co, 1969.
MLA(9版)引用形式Abbott, G. W. Conditionals. 1a. ed. Longmans, Green and Co, 1969.
警告: この引用は必ずしも正確ではありません.