SpringerLink (Online service), Douglas, I., & Liu, Z. (2011). Global Usability. Springer London.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Ian Douglas, and Zhengjie Liu. Global Usability. London: Springer London, 2011.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Global Usability. Springer London, 2011.
Warning: These citations may not always be 100% accurate.