Coiffet, Philippe
Prentice-Hall, 1981
Buku Teks
McGraw-Hill, 1983
Buku Teks
Singh, U.K., author
Anmol Publications, 1998
Buku Referensi
edited by B. Liu and J.M. Blosseville
Pergamon Press, 1995
Buku Teks
Black, Joyce M., author
W.B. Saunders , 1997
Buku Teks