Gaya APA

Philiphs, A, W., Green, D. (2009). Iso 9001, 2008 internal audits made easy: tools techniques and step by step guidelines for successful internal audits . USA: Quality Press.

Gaya MLA

Philiphs, Ann, W.., Green, David. "Iso 9001, 2008 internal audits made easy: tools techniques and step by step guidelines for successful internal audits". USA: Quality Press, 2009. Text.