Weinberg, G. M. An introduction to general systems thinking. A Wiley-Interscience Publication, John Wiley.
Lua i Stíl Chicago (17ú heag.)Weinberg, Gerald M. An Introduction to General Systems Thinking. New York: A Wiley-Interscience Publication, John Wiley.
Lua MLA (9ú heag.)Weinberg, Gerald M. An Introduction to General Systems Thinking. A Wiley-Interscience Publication, John Wiley.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.