APA
Eyal N., Hoover R., . (2019). Hooked : how to build habit-forming products. UK: Penguin Business.
Chicago
Eyal Nir, Hoover Ryan, . 2019. Hooked : how to build habit-forming products. UK: Penguin Business.
Harvard
Eyal N., Hoover R., . (2019). Hooked : how to build habit-forming products. UK: Penguin Business.
MLA
Eyal Nir, Hoover Ryan, . Hooked : how to build habit-forming products. UK: Penguin Business. 2019.