Jordaan, W.J.
McGraw-Hill, 1975
Buku Teks SO
Abraham, Amit
Tata McGraw-Hill, 2011
Buku Teks
edited by Robert S. Daniel
Hougton Mifflin, 1965
Buku Teks
Barlow, David H.
Wadsworth and Cengage Learning, 2012
Buku Teks
Geyer, R. Felix
Pergamon Press, 1980
Buku Teks