Adbåge, E. (2016). Outdoor math: Fun activities for every season. Kids Can Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAdbåge, Emma. Outdoor Math: Fun Activities for Every Season. Tonawanda, NY: Kids Can Press, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAdbåge, Emma. Outdoor Math: Fun Activities for Every Season. Kids Can Press, 2016.
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