Paine, Thomas, author
David Campbell Publishers, 1994
Buku Referensi
Bronowski, J.
Natural History Press, 1966
Buku Teks
Tannenbaum, Donald G., author
Wadsworth/Thomson learning, 2004
Buku Teks
THe Free Press, 1961
Buku Teks
Corbett, Sister Thomas Albert
University of America Press, 1950
Buku Teks