Daniel, Cuthbert, author
John Wiley & Sons, 1976
Buku Teks
edited by Owen L. Davies
Hafner, 1967
Buku Teks
Doebelin, Ernest O., author
McGraw-Hill, 1966
Buku Teks
Biles, William E., author
John Wiley & Sons, 1980
Buku Teks
Siegel, Sidney, author
McGraw-Hill, 1956
Buku Teks