Khush, G. S., & Virk, P. S. (2005). IR varieties and their impact. International Rice Research Institute.
Chicagoスタイル(17版)引用形式Khush, Gurdev S., , P. S. Virk. IR Varieties and Their Impact. [Los Baños, Laguna]: International Rice Research Institute, 2005.
MLA(9版)引用形式Khush, Gurdev S., , P. S. Virk. IR Varieties and Their Impact. International Rice Research Institute, 2005.
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