Marketing Metrics: 50+ Metrics Every Executive Should Master

Good book according to Avinash Kaushik about metrics:

http://books.google.es/books/about/Marketing_Metrics.html?id=Dum4QgAACAAJ&redir_esc=y

Another nice book related to metrics is:

http://www.goodreads.com/book/show/8084737-marketing-metrics

Excellent Analytics Tip #23: Align Hits, Sessions, Metrics, Dimensions!

This excellent post of the blog www.kaushik.net speaks about good analytics tips:

http://www.kaushik.net/avinash/hits-sessions-metrics-dimensions-web-analytics/