APA-Zitierstil (7. Ausg.)
(2003). CompSysTech 2003. Proceedings of the International conference on computer systems and technologies (e-Learning): Sofia, Bulgaria 19.- 20. June 2003 (1.vyd.). Bulgarian Union of Automation and Informaticsunion.
Chicago-Zitierstil (17. Ausg.)
CompSysTech 2003. Proceedings of the International Conference on Computer Systems and Technologies (e-Learning): Sofia, Bulgaria 19.- 20. June 2003. 1.vyd. Sofia: Bulgarian Union of Automation and Informaticsunion, 2003.
MLA-Zitierstil (9. Ausg.)
CompSysTech 2003. Proceedings of the International Conference on Computer Systems and Technologies (e-Learning): Sofia, Bulgaria 19.- 20. June 2003. 1.vyd. Bulgarian Union of Automation and Informaticsunion, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.