Keosian,John
Origin of life/John Keosian
Reinhold Publishing Corporation, 1964
 Buku Teks
LIfe: the science of biology
by William K. Purves ... [et al.]
Salt lake City Sinauer Associates , 1998
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Belk, Collen
Biology science for life
Pearson - Benjamin Cummings, 2008
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Rahn, Joan E.
Biology : the science of life
Macmillan, 1974
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Life the science of biology
by William K. Purves ... [et.al.]
W.H. Freeman, 1997
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