Pritchett, C. Herman, author
McGraw-Hill, 1963
Buku Teks
Pritchett, C. Herman, author
McGraw-Hill, 1981
Buku Teks
Fisher, Louis, author
McGraw-Hill, 1988
Buku Teks
Schawartz, Bernard, author
At The University Press, 1955
Buku Teks
Strong, Frank R., author
Dennis & Co., 1950
Buku Teks