Von Glasersfeld (1983) cited in: Gary D. Phye (1996) Handbook of Academic Learning: Construction of Knowledge. p. 360
Ernst von Glasersfeld: Zitate auf Englisch
Quelle: Cybernetics, Experience and the Concept of Self, 1970, pp.186-7 cited in: Vincent Kenny (2010) Remembering Ernst von Glasersfeld http://www.oikos.org/vonen.htm at oikos.org, retrieved Oct 11, 2012.
Glasersfeld (1992, p. 25) cited in: Stuart Umpleby (2007) "Cybernetics: Definitions and Descriptions". In: A Larry Richards Reader 1997–2007. http://polyproject.wikispaces.com/file/view/Larry+Richards+Reader+6+08.pdf. Larry Richards eds.
Von Glasersfeld (1989, p. 444) cited in: Wolff-Michael Roth (2011) Passibility: At the Limits of the Constructivist Metaphor. p. 110
Glasersfeld (1984) "An Introduction to Radical Constructivism", as cited in: Frederick Burwick, Walter Pape (1990) Aesthetic Illusion: Theoretical and Historical Approaches. pp.26-27
Quelle: Von Glasersfeld cited in: E. John Capaldi, Robert W. Proctor (1999) Contextualism in psychological research?: a critical review. p. 10
Quelle: Partial Memories: Sketches from an Improbable Life, 2010, p. 136
Quelle: Glasersfeld (2001, p.32) as cited in: Alexander Riegler, "Constructivism." in: Paradigms in theory construction. Springer, New York, NY, 2012. 235-255.