Sklair, Leslie, author
Oxford University Press, 2002
Buku Teks
See, Henri
Noel Douglas, 1928
Buku Teks
James, Harvey S. (Harvey Stanley), author
Praeger, 1993
Buku Teks
Sachse, Uwe, author
[gabler Verlag, ], 2012
eBooks
Wild, John J., author
Pearson, 2016
Buku Teks