Sovereign, S. R. (2011). Fast track to Ubuntu. 9.9 Mediaworx Pvt. Ltd.
Chicago Style (17th ed.) CitationSovereign, Smith Robert. Fast Track to Ubuntu. 9.9 Mediaworx Pvt. Ltd, 2011.
MLA引文Sovereign, Smith Robert. Fast Track to Ubuntu. 9.9 Mediaworx Pvt. Ltd, 2011.
警告：這些引文格式不一定是100％准確.