Terry, George Robert, author
Richard D. Irwin, 1978
Buku Teks
Rafli Listianto, author
Fakultas Ilmu Administrasi Universitas Indonesia, 2021
UI - Skripsi (Membership)
Kay, Brian R.
McGraw-Hill Book Company, Inc, 1961
Buku Teks
Terry, George Robert, author
Richard D. Irwin, 1982
Buku Teks
Bernard, Janine
Allyn and Bacon , 1998
Buku Teks