Sen, S.K., author
Khanna Publishers, 1976
Buku Teks
Sen, S.K., author
Khanna Publishers, 1975
Buku Teks
Voisinet, Donald D., author
Prentice-Hall, 1983
Buku Teks
Gingrich, Harold W.
Prentice-Hall, 1979
Buku Teks
Tiedemann, Arthur T.
Allyn and Bacon, 1967
Buku Teks