Durbin, John R., author
John Wiley & Sons, 1982
Buku Teks
Rees, Paul K., author
McGraw-Hill, 1981
Buku Teks
Sears, Francis W. (Francis Weston), 1898-1975, author
Addison-Wesley, 1960
Buku Teks
Boolootian, Richard A., author
New York: Macmillan, 1969
Buku Teks
Beckenbach, Edwin F., author
Wadsworth, 1968
Buku Teks