Wold, H. (1981). The Fix-Point Approach to Interdependent Systems. ELSEVIER.
Dyfyniad Arddull ChicagoWold, H. The Fix-Point Approach to Interdependent Systems. ELSEVIER, 1981.
Dyfyniad MLAWold, H. The Fix-Point Approach to Interdependent Systems. ELSEVIER, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.