Tonkin, Sebastian. , Performance marketing with Google Analytics : strategies and techniques for maximizing online ROI / Sebastian Tonkin, Caleb Whitmore, Justin Cutroni. - xxiii, 427 pages : illustrations, maps ; 24 cm. ISBN: 9780470578315 0470578319 Subjects--Topical Terms: Internet marketing.Web usage mining. LC Class. No.: TK5105.885.G66 / .T66 2010