APA引文

(1993). Improvement of soil fertility. China: International Foundation for Science (IFS).

Trích dẫn kiểu Chicago

Improvement of Soil Fertility. China: International Foundation for Science (IFS), 1993.

MLA引文

Improvement of Soil Fertility. China: International Foundation for Science (IFS), 1993.

警告：这些引文格式不一定是100％准确.