prepared under the editorial supervision of In Plain English, Inc.
Macmillan, 1996
Buku Referensi
Stroman, James, author
American Management Association, 2008
eBooks
Stroman, James, author
American Management Association, 2012
eBooks
Doris, Lillian
Prentice-Hall, 1960
Buku Teks
Doris, Lillian, author
Prentice-Hall, 1970
Buku Referensi