ebrary, Inc, & Lockeretz, W. (2007). Organic farming: An international history. CABI.
Chicagoスタイル(17版)引用形式ebrary, Inc, , William Lockeretz. Organic Farming: An International History. Cambridge, MA: CABI, 2007.
MLA(9版)引用形式ebrary, Inc, , William Lockeretz. Organic Farming: An International History. CABI, 2007.
警告: この引用は必ずしも正確ではありません.