Hudson, Valerie M., 1958-, author
Rowman and Littlefield, 2014
Buku Teks
Alan Cafruny, Leila Simona Talani, Gonzalo Pozo Martin, editors.
Palgrave Macmillan, 2016
Buku Teks
Farnell, John, author
Palgrave Macmillan, 2016
Buku Teks
Viotti, Paul R
Longman, 2012
Buku Teks
edited by Laura J. Shepherd
Routledge, 2015
Buku Teks