APA aipamena

von Braum, J. (1992). Improving food security of the poor: Concept, policy, and programs. International Food Policy Research Institute.

Chicago Style aipamena

von Braum, Joachim. Improving Food Security of the Poor: Concept, Policy, and Programs. Washington, D.C: International Food Policy Research Institute, 1992.

MLA aipamena

von Braum, Joachim. Improving Food Security of the Poor: Concept, Policy, and Programs. International Food Policy Research Institute, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.