Sincero, J. (2020). Badass habits: Cultivate the awareness, boundaries, and daily upgrades you need to make them stick. John Murray Learning.
Chicago-referens (17:e uppl.)Sincero, Jen. Badass Habits: Cultivate the Awareness, Boundaries, and Daily Upgrades You Need to Make Them Stick. London: John Murray Learning, 2020.
MLA-referens (9:e uppl.)Sincero, Jen. Badass Habits: Cultivate the Awareness, Boundaries, and Daily Upgrades You Need to Make Them Stick. John Murray Learning, 2020.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.