Adriaansen,Willem L M, & Waardenburg,J George. (1992). A dual world economy: Forty years of development experience. Oxford University Press.
Dyfyniad Arddull ChicagoAdriaansen,Willem L M, and Waardenburg,J George. A Dual World Economy: Forty Years of Development Experience. Bombay: Oxford University Press, 1992.
Dyfyniad MLAAdriaansen,Willem L M, and Waardenburg,J George. A Dual World Economy: Forty Years of Development Experience. Oxford University Press, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.