Childs, Harwood Lawrence
Princeton University Prees , 1936
Buku Teks
Harwood, Gwen, author
Angus and Robertson, 1963
Buku Teks
Merril, Harwood F.
New York, N.Y., American management Assoc
Buku Teks
American Management , 1960
Buku Teks
Altheide, David L., author
Allyn and Bacon, 1980
Buku Teks