Carr, Joseph J., author
TAB Books Division of McGRaw-Hill, 1994
Buku Referensi
Zaba, Joseph, author
Gulf Pub. Co, 1970
Buku Referensi
Lee, Stuart D., author
Facet, 2002
Buku Teks
Gottlieb, Irving M., author
Newnes, 1997
Buku Referensi
edited by Joseph S. Wholey
Jossey-Bass Publishers, 1994
Buku Teks