Danks, F., & Schofield, J. (2007). Nature's playground: Activities, crafts, and games to encourage children to get outdoors. Chicago Review Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Danks, Fiona, و Jo Schofield. Nature's Playground: Activities, Crafts, and Games to Encourage Children to Get Outdoors. Chicago, Ill.: Chicago Review Press, 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Danks, Fiona, و Jo Schofield. Nature's Playground: Activities, Crafts, and Games to Encourage Children to Get Outdoors. Chicago Review Press, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.