Radford, J.D., author
Macmillan, 1972
Buku Teks
by C. Canby Balderston ... [et al.]
Prentice-Hall, 1956
Buku Teks
Hempel, Edward H., author
McGraw-Hill, 1950
Buku Teks
editor-in-chief, Hardam Singh Azad
McGraw-Hill, 1976
Buku Referensi
Levitt, Joel, author
Industrial Press, Inc., 2009
Buku Teks