APA
Blank S., . (2020). The four steps to the epiphany: successful strategies for products that win. New Jersey, USA: Wiley.
Chicago
Blank Steve, . 2020. The four steps to the epiphany: successful strategies for products that win. New Jersey, USA: Wiley.
Harvard
Blank S., . (2020). The four steps to the epiphany: successful strategies for products that win. New Jersey, USA: Wiley.
MLA
Blank Steve, . The four steps to the epiphany: successful strategies for products that win. New Jersey, USA: Wiley. 2020.