Dyfyniad APA

Barker, R., & Quintana, E. Farm management studies of costs and returns in rice production. International Rice Research Institute.

Dyfyniad Arddull Chicago

Barker, Randolf, and E.U Quintana. Farm Management Studies of Costs and Returns in Rice Production. [Los Baños, Laguna]: International Rice Research Institute.

Dyfyniad MLA

Barker, Randolf, and E.U Quintana. Farm Management Studies of Costs and Returns in Rice Production. International Rice Research Institute.

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