Frederiksen, Linda, author
Elsevier Ltd.,, 2016
Buku Teks
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
edited by Joseph S. Wholey
Jossey-Bass Publishers, 1994
Buku Teks