Tovey, H. (2007). Playing outdoors: Spaces and places, risk and challenge. Open University Press.
芝加哥风格引文Tovey, Helen. Playing Outdoors: Spaces and Places, Risk and Challenge. Maidenhead: Open University Press, 2007.
MLA引文Tovey, Helen. Playing Outdoors: Spaces and Places, Risk and Challenge. Open University Press, 2007.
警告：这些引文格式不一定是100％准确.