Burton, Steven J.
West Publishing Co., 1995
Buku Teks
compiled and edited by Harold Shepherd and Byron D. Sher
Foundation Press, 1960
Buku Teks
Simon, Michael S.
McGraw-Hill, 1979
Buku Teks
Schuck, Peter H.
Oxford University Press, 1994
Buku Teks
Pearson, Michael W.
Pearson education, 2015
Buku Teks