Schroeder, Roger G.
McGraw-Hill, 1987
Buku Teks SO
Goodwin, Paul
West Sussex : Wiley, 2010
Buku Teks
Boy Subirosa Sabarguna
Penerbit Universitas Indonesia (UI-Press), 2007
Buku Teks SO
by William T. Morris ... [and others]
Pan Books, 1969
Buku Teks SO
by William T. Morris ... [and others]
Pan Books, 1969
Buku Teks SO