Hattersley, M. (2012). Google+ companion. John Wiley & Sons.
Chicagoスタイル(17版)引用形式Hattersley, Mark. Google+ Companion. Indianapolis, IN: John Wiley & Sons, 2012.
MLA(8版)引用形式Hattersley, Mark. Google+ Companion. John Wiley & Sons, 2012.
警告: この引用は必ずしも正確ではありません.