Cita APA (7th ed.)

Von Braun, J., & Puetz, D. (1993). Data needs for food policy in developing countries: New directions for household surveys. International Food Policy Research Institute.

Cita Chicago (17th ed.)

Von Braun, Joachim, i Detlev Puetz. Data Needs for Food Policy in Developing Countries: New Directions for Household Surveys. .Washington, D.C: International Food Policy Research Institute, 1993.

Cita MLA (9th ed.)

Von Braun, Joachim, i Detlev Puetz. Data Needs for Food Policy in Developing Countries: New Directions for Household Surveys. International Food Policy Research Institute, 1993.