Williams, Edwin B., author
D.C. Health, 1926
Buku Teks
Beach, David P., author
Prentice-Hall, 1992
Buku Referensi
Morris, Jackson E., author
McGraw-Hill, 1966
Buku Teks
Ching-Chih, Chen, author
MIT Press, 1977
Buku Teks
Lambert, Rene, author
Ce?padues-Editions, 1991
Buku Referensi