Downie, N. A. (2012). The ultimate book of Saturday science: The very best backyard science experiments you can do yourself. Princeton University Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Downie, N. A. The Ultimate Book of Saturday Science: The Very Best Backyard Science Experiments You Can Do Yourself. Princeton: Princeton University Press, 2012.
MLA -ийн эшлэл (9 дэх хэвлэлт)Downie, N. A. The Ultimate Book of Saturday Science: The Very Best Backyard Science Experiments You Can Do Yourself. Princeton University Press, 2012.
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