Gaya APA

Gercia, H., Miralles, F. (2016). IKIGAI : the Japanese secret to a long and happy life . United States of America: Penguin Books Ltd.

Gaya MLA

Gercia, Hector., Miralles, Francess. "IKIGAI : the Japanese secret to a long and happy life". United States of America: Penguin Books Ltd, 2016. Text.