Darwin, Charles, author
New York The Modern Library [date of publication not identified],
Buku Teks
Mayr, Ernst, author
Harvard University Press, 1999
Buku Teks
Darwin, Charles, author
Yayasan Obor Indonesia, 2007
Buku Teks
Darwin, Charles, author
New York The Modern Library s.a,
Buku Teks
Romeo, Luigi, author
Amsterdam John Benjamins 1979
Buku Referensi