Friedman, M., & Schäffner, W. On folding: Introduction of a new field of interdisciplinary research / Michael Friedman. Wolfgang Schäffner. On folding : towards a new field of interdisciplinary research.(2016).
Chicago-referens (17:e uppl.)Friedman, Michael, och Wolfgang Schäffner. "On Folding: Introduction of a New Field of Interdisciplinary Research / Michael Friedman. Wolfgang Schäffner." On Folding : Towards a New Field of Interdisciplinary Research.(2016) .
MLA-referens (8:e uppl.)Friedman, Michael, och Wolfgang Schäffner. "On Folding: Introduction of a New Field of Interdisciplinary Research / Michael Friedman. Wolfgang Schäffner." On Folding : Towards a New Field of Interdisciplinary Research.(2016), .
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.