APA引文

Jepersen, O. . .. (1974). Essential of english grammar. George Allen & Unwin Ltd.

Chicago Edition Citation

Jepersen, Ottto. Essential of English Grammar. London: George Allen & Unwin Ltd, 1974.

MLA引文

Jepersen, Ottto. Essential of English Grammar. George Allen & Unwin Ltd, 1974.

警告：这些引文格式不一定是100％准确.