Marquis, Bessie L., author
Lippincott , 2003
Buku Teks
Marquis, Bessie L.
Wolters Kluwer , 2012
Buku Teks
edited by Richard A. Askey
Academic Press , 1975
Buku Teks
Ivancevich, John M., author
BPI/Irwin, 1989
Buku Teks
Elkins, Arthur, author
Addison-Wesley, 1980
Buku Teks