Johnson, James H., author
International Textbook, 1965
Buku Teks
Kasatkin, A. S. (Aleksandr Sergeevich), 1899-, author
Mir Publishers, 1970
Buku Teks
Dorf, Richard C.
CRC Press , 1993
Buku Referensi
McPherson, George
Wiley, 1981
Buku Teks
Sen, S.K., author
Khanna Publishers, 1976
Buku Teks