APA ציטוט

(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.

ציטוט MLA

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

אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.