Guillebeau, C. (2017). Side hustle: From idea to income in 27 days.
Cita Chicago Style (17a ed.)Guillebeau, Chris. Side Hustle: From Idea to Income in 27 Days. 2017.
Cita MLA (8a ed.)Guillebeau, Chris. Side Hustle: From Idea to Income in 27 Days. 2017.
Precaución: Estas citas no son 100% exactas.