Singer, H. W., & Ansari, J. A. (1982). Rich and poor countries. Allen & Unwin.
Citación estilo ChicagoSinger, Hans Wolfgang, and Javed A. Ansari. Rich and Poor Countries. London: Allen & Unwin, 1982.
Cita MLASinger, Hans Wolfgang, and Javed A. Ansari. Rich and Poor Countries. Allen & Unwin, 1982.
Warning: These citations may not always be 100% accurate.