Darwin, Charles, author
New York The Modern Library s.a,
Buku Teks
Darwin, Charles, author
New York The Modern Library [date of publication not identified],
Buku Teks
Darwin, Charles, author
Yayasan Obor Indonesia, 2007
Buku Teks
Charles W. Eliot, edited
P. F. Collier & Son Corporation, 1959
Buku Referensi
Darwin, Charles, author
The Modern Library , [date of publication not identified]
Buku Teks