Eyal, N., & Hoover, R. (2014). Hooked: How to build habit-forming products (1a. ed.). Penguin Random House.
Chicago (17e ed.) BronvermeldingEyal, Nir, en Ryan Hoover. Hooked: How to Build Habit-forming Products. 1a. ed. Nueva York: Penguin Random House, 2014.
MLA (9e ed.) BronvermeldingEyal, Nir, en Ryan Hoover. Hooked: How to Build Habit-forming Products. 1a. ed. Penguin Random House, 2014.
Let op: Deze citaties zijn niet altijd 100% accuraat.