Raven, Peter H., author
Worth Publishers, 1992
Buku Teks
Kaufman, Peter B.; Carlson, Thomas F.; Dayanandan, P.; Evans, Michael L.; Fisher, Jack B.; Parks, Clifford; Wells, James R.
Harper & Row, 1989
Buku Referensi
Attenborough, David
BBC Worldwide Limited, 2005
Multimedia
Attenborough, David
BBC Worldwide Limited, 2005
Multimedia
Attenborough, David
BBC Worldwide Limited, 2005
Multimedia