Day, Donald
Will Rogers A Autobiography/Donald Day
David McKay Com., 1962
 Buku Teks
Day, Donald
Will Rogers a biography Donald Day
D. KcKay, 1962
 Buku Teks
Weingast, David E.
We elect a President
Julian Messner,Inc., 1962
 Buku Teks
How we stay ahead of our web users
 Artikel Jurnal
Thomas, R. Roosevelt
Building on the promise of diversity: how we can move to the next level in our workplaces, our communities, and our society
American Management Association, 2006
 eBooks