Cita APA (7a ed.)
Friedberg, M., & Thomas, M. (1997). The 1990's global grain situation and its impact on the food security of selected developing countries. International Food Policy Research Institute.
Cita Chicago Style (17a ed.)
Friedberg, Mark, y Marcelle Thomas. The 1990's Global Grain Situation and Its Impact on the Food Security of Selected Developing Countries. International Food Policy Research Institute, 1997.
Cita MLA (9a ed.)
Friedberg, Mark, y Marcelle Thomas. The 1990's Global Grain Situation and Its Impact on the Food Security of Selected Developing Countries. International Food Policy Research Institute, 1997.
Precaución: Estas citas no son 100% exactas.