Brown, Milton P.
New York, N.Y. , McGraw-Hill
Buku Teks
by Malclom P. McNair ... [and others]
McGraw-Hill, 1957
Buku Teks
Jaffee, Cabot L., author
Addison-Wesley , 1970
Buku Teks
Morrissey, Leonard E., author
Prentice-Hall, 1963
Buku Teks
Towle, Joseph W., author
Houghton Miffiln, 1965
Buku Teks