Alty, J.L.
NCC Publications, 1984
Buku Teks
edited by Langdon Lynne Faust
Ungar, 1988
Buku Referensi
Jones, William B.
Prentice-Hall, 1982
Buku Teks
Abele, Eberhard
Springer Cham, 2019
eBooks
edited by Jaydipsinh K. Dodiya and K.V. Surendran
Sarup and Sons, 1999
Buku Teks