Abello, M. M. (2009). Groups unite to push organic agriculture. Agriculture.
Chicagoスタイル(17版)引用形式Abello, Melpha M. "Groups Unite to Push Organic Agriculture." Agriculture 2009.
MLA(9版)引用形式Abello, Melpha M. "Groups Unite to Push Organic Agriculture." Agriculture, 2009.
警告: この引用は必ずしも正確ではありません.