Clarkson, P. M. (2002, 19. June). Supplements containing ephedrine - are they safe? Do they work? Zugriff unter http://www.gssiweb.com/reflib/refs/285/august2001.cfm?pid=38
APA-Zitierstil (7. Ausg.)Clarkson, P. M. (2001). Supplements containing ephedrine - are they safe? Do they work?
Chicago-Zitierstil (17. Ausg.)Clarkson, P. M. Supplements Containing Ephedrine - Are They Safe? Do They Work? 2001.
MLA-Zitierstil (9. Ausg.)Clarkson, P. M. Supplements Containing Ephedrine - Are They Safe? Do They Work? 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.