(1992). On-farm composting handbook. New York: Northeast Regional Agricultural Engineering.
Trích dẫn kiểu ChicagoOn-farm Composting Handbook. New York: Northeast Regional Agricultural Engineering, 1992.
MLA引文On-farm Composting Handbook. New York: Northeast Regional Agricultural Engineering, 1992.
警告:這些引文格式不一定是100%准確.