Wold, H. (1981). Fix-Point Approach to Interdependent Systems. North-Holland Publishing Company.
استشهاد بنمط شيكاغوWold, Herman. Fix-Point Approach to Interdependent Systems. Amsterdam: North-Holland Publishing Company, 1981.
MLA استشهادWold, Herman. Fix-Point Approach to Interdependent Systems. North-Holland Publishing Company, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.