Davidson, G. (2003). Verbs and tenses. Singapore: Learners Publishing Pte Ltd.
シカゴスタイル引用形Davidson, George. Verbs and Tenses. Singapore: Learners Publishing Pte Ltd, 2003.
MLA引用形式Davidson, George. Verbs and Tenses. Singapore: Learners Publishing Pte Ltd, 2003.
警告: この引用は必ずしも正確ではありません.