Fues, W. M. Critical Theory and Systems Theory: Wolfram Malte Fues. Critical theory : current state and future prospects.(2001).
Lua i Stíl Chicago (17ú heag.)Fues, Wolfram Malte. "Critical Theory and Systems Theory: Wolfram Malte Fues." Critical Theory : Current State and Future Prospects.(2001) .
Lua MLA (8ú heag.)Fues, Wolfram Malte. "Critical Theory and Systems Theory: Wolfram Malte Fues." Critical Theory : Current State and Future Prospects.(2001), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.