Padelford, Norman J., author
Macmillan, 1962
Buku Teks
Rourke, John T., author
McGraw-Hill, 2001
Buku Teks
Nikolaos Tzifakis, editor
[Springer, ], 2012
eBooks
Lerche, Charles O., Jr., author
Oxford University Press, 1956
Buku Teks
Bozeman, Adda B., author
Princeton University Press, 1960
Buku Teks