Lenhoff, Edward S.
Macmillan, 1966"
Buku Teks
Whitson, Gene, author
McGraw-Hill, 1996
Buku Referensi
Danielson, G. L. (George Lord)
Butterworth, 1981
Buku Teks
Khandpur, Raghbir Singh, 1942-, author
Tata McGraw-Hill, 2017
Buku Teks
edited by Albert M. Cook, John G. Webster
Prentice-Hall, 1982
Buku Teks