McKenzie, Richard B., author
Springer, 2012
eBooks
McKenzie, Richard B., author
Richard D. Irwin, 1981
Buku Teks
Frazer, James George, Sir, 1854-1941, author
New American Library, 1959
Buku Teks
Mellor, John W.
Cornell University Press, 1976
Buku Teks
Myers, Danny, author
Taylor and Francis, 2009
Buku Teks