Von Braun, J., & Puetz, D. (1993). Data needs for food policy in developing countries: New directions for household surveys. International Food Policy Research Institute.
Citazione stile Chigago Style (17a edizione)Von Braun, Joachim, e Detlev Puetz. Data Needs for Food Policy in Developing Countries: New Directions for Household Surveys. .Washington, D.C: International Food Policy Research Institute, 1993.
Citatione MLA (9a ed.)Von Braun, Joachim, e Detlev Puetz. Data Needs for Food Policy in Developing Countries: New Directions for Household Surveys. International Food Policy Research Institute, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.