Alcock, John
Sinauer Associates, 1989
Buku Teks SO
edited by Peter W. Price ... [and others]
John Wiley & Sons, 1991
Buku Teks SO
edited by Bernard Stonehouse and Christopher M. Perrins
University Park Press, 1979
Buku Teks SO
Mayr, Ernst
Belknap Press, 1963
Buku Teks SO
Futuyma, Douglas J., 1942-
Sinauer Associates, 1986
Buku Referensi