Gaya APA

Mortensen, K, W. (2004). Maximum Influence : the 12 universal laws of power persuasion (First). New York, USA: American Management Assocation.

Gaya MLA

Mortensen, Kurt, W.. "Maximum Influence : the 12 universal laws of power persuasion". First New York, USA: American Management Assocation, 2004. e-book.