APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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