Luzadder, Warren J.
Prentice-Hall, 1967
Buku Teks
Frederick E. Giesecke [and others]
Pearson education International, Prentice Hall, 2009
Buku Teks SO
Mochel, E.V.
Holt, Rinehart and Winston, Inc., 1959
Buku Teks
Wirshing, Roy H.
McGraw-Hill, 1983
Buku Teks
Jensen, Cecil
McGraw-Hill, 1990
Buku Teks