Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.