Folmar, D. (2015). Game it up!: Using gamification to incentivize your library. Rowman & Littlefield.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFolmar, David. Game It Up!: Using Gamification to Incentivize Your Library. Lanham: Rowman & Littlefield, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFolmar, David. Game It Up!: Using Gamification to Incentivize Your Library. Rowman & Littlefield, 2015.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.