DeGarmo, E. Paul
Macmillan Publishing Co., 1979
Buku Teks
DeGaremo, E. Paul
Collier-Macmillan Limited, 1969
Buku Teks
Edgar, Carroll
Addison-Wesley Publishing, 1965
Buku Teks
Kumar, Kaushik
Springer Cham, 2019
eBooks
R. Gregg Bruce [and others]
Pearson/Prentice Hall, 2004
Buku Teks