Swanson, Bettye B., author
Macmillan, 1981
Buku Teks
Annisa, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2001
UI - Tesis (Membership)
Duzhe Wenzhai Yuandong, 1996
Buku Referensi
Anderson, Joyce I., author
American Management Association, 2007
eBooks
Gross, Irma H., author
Appleton-Countury Crofts, 1954
Buku Teks