Gaya APA

Sobotta, A, T. et al (2009). Greening IT: How greener it can form a solid base for a low-Carbon society . : The Greening IT Initiative CC Attribution Non-Commercial Share Alike.

Gaya MLA

Sobotta, Adrian, T.. et al. "Greening IT: How greener it can form a solid base for a low-Carbon society". : The Greening IT Initiative CC Attribution Non-Commercial Share Alike, 2009. e-book.