payne, P., LIPTON, M., & payne, p. (1994). How third world rural households adapt to dietary energy stress: The evidence and the issues. International fodd policy research institute.
Chicago (17e ed.) Bronvermeldingpayne, Philip, Michael LIPTON, en philip payne. How Third World Rural Households Adapt to Dietary Energy Stress: The Evidence and the Issues. WASHNGTON D.C: International fodd policy research institute, 1994.
MLA (9e ed.) Bronvermeldingpayne, Philip, et al. How Third World Rural Households Adapt to Dietary Energy Stress: The Evidence and the Issues. International fodd policy research institute, 1994.