Kendeigh, S. Charles
Prentice-Hall, 1975
Buku Teks
Macfadyen, A.
Pitman Publishing Corporation, 1963
Buku Teks
Lythgoe, J.N.
Oxford University Press, 1979
Buku Teks
Pandey, B.N., author
Tata McGraw-Hill, 2012
Buku Teks
Krebs, J.R., author
Blackwell Science, 1993
Buku Teks