Pandey, B.N., author
Tata McGraw-Hill, 2012
Buku Teks
Yeates, N. T. M.
Pergamon Press, 1975
Buku Teks
Mayr, Ernst, author
Belknap Press, 1963
Buku Teks
McFarland, David, author
Longman, 1993
Buku Teks
Macfadyen, A.
Pitman Publishing Corporation, 1963
Buku Teks