Vettel, E. J. (2006). Biotech: The countercultural origins of an industry. University of Pennsylvania Press.
Chicago-referens (17:e uppl.)Vettel, Eric James. Biotech: The Countercultural Origins of an Industry. Philadelphia: University of Pennsylvania Press, 2006.
MLA-referens (9:e uppl.)Vettel, Eric James. Biotech: The Countercultural Origins of an Industry. University of Pennsylvania Press, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.