Kissam, Philip
McGraw-Hill, 1978
Buku Teks SO
by Raymond E. Davis ... [and others]
McGraw-Hill, 1981
Buku Teks SO
Cartlidge, Duncan
Spon Press, 2011
Buku Teks SO
Paul Watson, David Gibson, Hanney Neil, Peter Rushforth, Stuart Smith, Catherine Walsh, Garry Workman
Blackwell, 2008
Buku Teks SO
Kavanagh, Barry F.
Prentice-Hall, 1996
Buku Teks SO