Sincero, J. (2020). Badass habits: Cultivate the awareness, boundaries, and daily upgrades you need to make them stick. John Murray Learning.
Chicago-viite (17. p.)Sincero, Jen. Badass Habits: Cultivate the Awareness, Boundaries, and Daily Upgrades You Need to Make Them Stick. London: John Murray Learning, 2020.
MLA-viite (9. p.)Sincero, Jen. Badass Habits: Cultivate the Awareness, Boundaries, and Daily Upgrades You Need to Make Them Stick. John Murray Learning, 2020.
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