Hengstenberg, Hans-Eduard
Munchen Anton Pustel 1963
Buku Teks
Mayr, Ernst, author
Harvard University Press, 1999
Buku Teks
Edited by Michael H. Crawford, Benjamin C. Campbell
Cambridge University Press, 2014
Buku Teks
Love, Glen A.
Foresmann, 1969
Buku Teks
Routledge , 1992
Buku Teks