editor, David Hollis
British Museum (Natural History), 1980
Buku Referensi
editor, R.W. Sims
British Museum (Natural History), 1980
Buku Referensi
Pandey, B.N., author
Tata McGraw-Hill, 2012
Buku Teks
Sonnenschein, William Swan, author
George Routledge and Sons, 1969
Buku Referensi
Pfeiffer, J. William, author
University Associates, 1985
Buku Teks