Ball, J. (2024). Sticks, stones & pinecones: Games to play in nature. Skipstone.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBall, Jennifer. Sticks, Stones & Pinecones: Games to Play in Nature. Seattle, Washington: Skipstone, 2024.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBall, Jennifer. Sticks, Stones & Pinecones: Games to Play in Nature. Skipstone, 2024.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.