एपीए उद्धरण

Wold, H. (1981). Fix-Point Approach to Interdependent Systems. North-Holland Publishing Company.

शिकागो स्टाइल उद्धरण

Wold, Herman. Fix-Point Approach to Interdependent Systems. Amsterdam: North-Holland Publishing Company, 1981.

एमएलए उद्धरण

Wold, Herman. Fix-Point Approach to Interdependent Systems. North-Holland Publishing Company, 1981.