edited by J. Billingham and
Pergamon Press, 1979
Buku Teks
Dick, Steven J.
Cambridge University Press, 1996
Buku Teks
edited by Arnold Hanslmeier, Stephan Kempe and Joseph Seckbach
Springer, 2012
eBooks
by Edwad O. Wilson ... [et.al.]
Sinauer Associates, 1973
Buku Teks
Jones, H. Spencer
Macmillan, 1956
Buku Teks