Von Braun, J., & Puetz, D. (1993). Data needs for food policy in developing countries: New directions for household surveys. International Food Policy Research Institute.
Chicago-referens (17:e uppl.)Von Braun, Joachim, och Detlev Puetz. Data Needs for Food Policy in Developing Countries: New Directions for Household Surveys. .Washington, D.C: International Food Policy Research Institute, 1993.
MLA-referens (9:e uppl.)Von Braun, Joachim, och Detlev Puetz. Data Needs for Food Policy in Developing Countries: New Directions for Household Surveys. International Food Policy Research Institute, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.