Fitzmaurice, Malgosia
Edward Elgar, 2009
Buku Teks
Kemp, David D.
Routledge , 1994
Buku Teks
Landsberg, Brian K.
Thomson/West, 2007
Buku Teks
Martin J. Adelman, Shubha Ghosh, Amy Landers, Toshiko Takenaka
West, 2011
Buku Teks
Adams, Kristen David
St. Paul, MN : West Group, 2010
Buku Teks