Cita APA (7a ed.)
Fritschel, H. (2012). Agricultural R&D spending. International Food Policy Research Institute.
Cita Chicago Style (17a ed.)
Fritschel, Heidi. Agricultural R&D Spending. International Food Policy Research Institute, 2012.
Cita MLA (9a ed.)
Fritschel, Heidi. Agricultural R&D Spending. International Food Policy Research Institute, 2012.
Precaución: Estas citas no son 100% exactas.