E. David Ford
Cambridge University Press, 2000
eBooks
Myers, Wayne L.
John Wiley & Sons, 1980
Buku Teks SO
Brower, James E.
Dubuque Wm. C. Brown , 1990
Buku Teks
Suyud Warno Utomo
Lembaga Penerbit FEUI, 2018
Buku Teks SO
Sambas Wirakusumah
UI-Press, 2003
Buku Teks SO