Sincero, J. (2020). Badass habits: Cultivate the awareness, boundaries, and daily upgrades you need to make them stick. John Murray Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSincero, Jen. Badass Habits: Cultivate the Awareness, Boundaries, and Daily Upgrades You Need to Make Them Stick. London: John Murray Learning, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSincero, Jen. Badass Habits: Cultivate the Awareness, Boundaries, and Daily Upgrades You Need to Make Them Stick. John Murray Learning, 2020.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.