APA引文

Davidson, G. (2003). Verbs and tenses. Singapore: Learners Publishing Pte Ltd.

Trích dẫn kiểu Chicago

Davidson, George. Verbs and Tenses. Singapore: Learners Publishing Pte Ltd, 2003.

MLA引文

Davidson, George. Verbs and Tenses. Singapore: Learners Publishing Pte Ltd, 2003.

警告：這些引文格式不一定是100％准確.