Cita APA

Blank, S. (2013). The Four steps to the epiphany: Succesful strategies for products that win (5th edition.). Pescadero, California: K&S Ranch.

Citación estilo Chicago

Blank, Steve. The Four Steps to the Epiphany: Succesful Strategies for Products That Win. 5th edition. Pescadero, California: K&S Ranch, 2013.

Cita MLA

Blank, Steve. The Four Steps to the Epiphany: Succesful Strategies for Products That Win. 5th edition. Pescadero, California: K&S Ranch, 2013.