The new book of popular science : volume 4 Plant life animal life
New York : Grolier,1982,
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Gribbin, John
Almost everyone?s guide to science : the universe, life, and everything
Yale University Press, 1999
Buku Referensi
Bryson, Bill
A short history of nearly everything
Broadway Books, 2004
Buku Teks
Bryson, Bill
A short history of nearly everything
Broadway Books, 2003
Buku Teks
Hall, Stephen S.
Mapping the next millennium : the discovery of new geographies / Stephen S. Hall
Random House, 1992
Buku Teks