Greaves, H. R. G.
George Allen and Unwin, 1958
Buku Teks
Brecht, Arnold, author
Princenton University Press, 1968
Buku Teks
Kaplan, Morton A., author
John Wiley & Sons, 1961
Buku Teks
Reitz, John R., author
Addison-Wesley, 1993
Buku Teks
Reitz, John R., author
Addison-Wesley, 1979
Buku Teks