Mason, Joseph G.
McGraw-Hill Book , 1960
Buku Teks
Bittel, Lester Robert, author
Alexander Hamilton Institute, 1986
Buku Teks
Sukarni Catur Utami Munandar, author
Universitas Indonesia, 1977
UI - Disertasi Membership
Smilansky, Jonathan, author
Wiley ; San Francisco, CA : Jossey-Bass, 2007
Buku Teks
Bender, James F., author
McGraw-Hill, 1950
Buku Teks