Harkness, D. J. (2004). Apache essentials: Install, configure, maintain (First edition.). Friendsof ED.
Chicago Style (17th ed.) CitationHarkness, Darren James. Apache Essentials: Install, Configure, Maintain. First edition. [Birmingham, UK]: Friendsof ED, 2004.
MLA (9th ed.) CitationHarkness, Darren James. Apache Essentials: Install, Configure, Maintain. First edition. Friendsof ED, 2004.
Warning: These citations may not always be 100% accurate.