李桦. (2009). 生猪饲养规模及其成本效益分析: Analysis on the hog raising scale and their costs benefit. 中国农业出版社.
Dyfyniad Arddull Chicago李桦. 生猪饲养规模及其成本效益分析: Analysis on the Hog Raising Scale and Their Costs Benefit. 中国农业出版社, 2009.
Dyfyniad MLA李桦. 生猪饲养规模及其成本效益分析: Analysis on the Hog Raising Scale and Their Costs Benefit. 中国农业出版社, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.