Westview Press, 1987
Buku Teks
Mair, Lucy, author
University of London, 1969
Buku Teks
Cochrane, Glynn, author
Oxford University Press, 1971
Buku Teks
edited by Aaron Podolefsky, Peter J. Brown, Scott M. Lacy
McGraw-Hill, 2012
Buku Teks
Mair, Lucy, author
Macmillan, 1992
Buku Teks