Christensen, H., & Scott Wolf. (1988). Survey of the social and economic conditions of Afghan refugees in Pakistan. United Nations Research Institute for Social Development (UNRISD).
Cita Chicago (17th ed.)Christensen, Hanne, i Scott Wolf. Survey of the Social and Economic Conditions of Afghan Refugees in Pakistan. Geneva: United Nations Research Institute for Social Development (UNRISD), 1988.
Cita MLA (9th ed.)Christensen, Hanne, i Scott Wolf. Survey of the Social and Economic Conditions of Afghan Refugees in Pakistan. United Nations Research Institute for Social Development (UNRISD), 1988.
Atenció: Aquestes cites poden no estar 100% correctes.