– Influence, New and Expanded: The Psychology of Persuasion by Robert Cialdini (Marketing, Sales & Communication)
– Duct Tape Marketing by John Jantsch
– Ultimate Marketing Plan By Dan S Kennedy
– Influence, New and Expanded: The Psychology of Persuasion by Robert Cialdini (Marketing, Sales & Communication)
– Duct Tape Marketing by John Jantsch
– Ultimate Marketing Plan By Dan S Kennedy