The Fragile Tradition, Emden, C., & Midgley, D. (2005). Science, technology and the German cultural imagination: Christian Emden. (eds). Lang.
Chicago-viite (17. p.)The Fragile Tradition, Christian Emden, ja David Midgley. Science, Technology and the German Cultural Imagination: Christian Emden. (eds). Oxford [u.a.]: Lang, 2005.
MLA-viite (8. p.)The Fragile Tradition, et al. Science, Technology and the German Cultural Imagination: Christian Emden. (eds). Lang, 2005.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.