Burton, Steven J.
West Publishing Co., 1995
Buku Teks SO
Burton, Steven J.
West Publishing Co., 1995
Buku Teks SO
compiled and edited by Harold Shepherd and Byron D. Sher
Foundation Press, 1960
Buku Teks
Simon, Michael S.
McGraw-Hill, 1979
Buku Teks SO
Schuck, Peter H.
Oxford University Press, 1994
Buku Teks SO