Eysenbach, G. (2005). Access controls on bmj.com: Dual models are possible. BMJ Publishing Group Ltd.
Chicago ZitierstilEysenbach, Gunther. Access Controls On Bmj.com: Dual Models Are Possible. BMJ Publishing Group Ltd, 2005.
MLA ZitierstilEysenbach, Gunther. Access Controls On Bmj.com: Dual Models Are Possible. BMJ Publishing Group Ltd, 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.