APA aipamena

 Velte, T. J. (2008).  Green IT: Reduce Your Information System''s Environmental Impact While Adding to the Bottom Line.  Mc Graw Hill.

Chicago Style aipamena

 Velte, Toby J.  Green IT: Reduce Your Information System''s Environmental Impact While Adding to the Bottom Line.  Mc Graw Hill, 2008.

MLA aipamena

 Velte, Toby J.  Green IT: Reduce Your Information System''s Environmental Impact While Adding to the Bottom Line.  Mc Graw Hill, 2008.