American Psychological Association 6th edition

Jelen, B. [ca. 2008]. Power Excel 2007 with Mr Excel (Video Training) [Electronic]. [Erscheinungsort nicht ermittelbar]: Que.

ISO-690 (author-date, English)

JELEN, Bill, 2008. Power Excel 2007 with Mr Excel (Video Training). [electronic]. 2008. 1 st edition. [Erscheinungsort nicht ermittelbar]: Que. ISBN 9780768682823.

Modern Language Association 9th edition

Jelen, B. Power Excel 2007 with Mr Excel (Video Training). 1 st edition, electronic, Que, 2008.

Mohr Siebeck - Recht (Deutsch - Österreich)

Emerald - Harvard

Jelen, B. (2008), “Power Excel 2007 with Mr Excel (Video Training)”, Que, [Erscheinungsort nicht ermittelbar].

Warning: These citations may not always be 100% accurate.