Beatrix Beisner, Christian Messier, Luc-Alain Giraldeau
The University of Chicago Press, 2013
Buku Teks
Allen, Carleton Kemp, Sir
Stevens & Sons Limited, 1954
Buku Teks
Kennedy, Jay, author
Longman Cheshire, 1994
Buku Teks
Mikkelsen, Britha, author
Yayasan Pustaka Obor Indonesia, 2011
Buku Teks
Thompson, William J., author
John Wiley & Sons, 1997
Buku Referensi