(1992). On-farm composting handbook. New York: Northeast Regional Agricultural Engineering.
シカゴスタイル引用形On-farm Composting Handbook. New York: Northeast Regional Agricultural Engineering, 1992.
MLA引用形式On-farm Composting Handbook. New York: Northeast Regional Agricultural Engineering, 1992.
警告: この引用は必ずしも正確ではありません.