Frederick E. Giesecke [and others]
Pearson education International, Prentice Hall, 2009
Buku Teks SO
Jensen, Cecil
McGraw-Hill, 1990
Buku Teks
Svensen, Carl L.
"New Jersey: D. Van Nostrand, 1962"
Buku Teks
Rising, James S.
Brown, 1964
Buku Teks
Luzadder, Warren J.
Prentice-Hall, 1967
Buku Teks