Wold, H. (1981). Fix-Point Approach to Interdependent Systems. North-Holland Publishing Company.
Chicago Edition CitationWold, Herman. Fix-Point Approach to Interdependent Systems. Amsterdam: North-Holland Publishing Company, 1981.
Cita MLAWold, Herman. Fix-Point Approach to Interdependent Systems. North-Holland Publishing Company, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.