APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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