Dorner, P. (1974). Institutions as aids to development. Land Tenure Center Center, University of Wisconsin.
Dyfyniad Arddull ChicagoDorner, Peter. Institutions as Aids to Development. Madison: Land Tenure Center Center, University of Wisconsin, 1974.
Dyfyniad MLADorner, Peter. Institutions as Aids to Development. Land Tenure Center Center, University of Wisconsin, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.