Google Adwords Certification Guide : For Google Partners Program CertificationKeith Penn · First published 2016Open the Tome
Google Advertising Advanced Search Exam Prep Guide for AdWords Certification (SearchCerts.com Exam Prep Series) (Volume 2)Keith Penn · First published 2014Open the Tome
Google Advertising Fundamentals Exam Prep Guide for Adwords CertificationKeith Penn · First published 2013Open the Tome
