Barker, R., & Quintana, E. Farm management studies of costs and returns in rice production. International Rice Research Institute.
Chicago Style (17. basım) AtıfBarker, Randolf, ve E.U Quintana. Farm Management Studies of Costs and Returns in Rice Production. [Los Baños, Laguna]: International Rice Research Institute.
MLA (9th ed.) AtıfBarker, Randolf, ve E.U Quintana. Farm Management Studies of Costs and Returns in Rice Production. International Rice Research Institute.
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