Arnold, Elizabeth C., author
Elsevier Saunder, 2011
Buku Teks
Arnold, Elizabeth C., author
Saunders Elsevier, 2007
Buku Teks
Kinicki, Angelo, author
McGraw-Hill, 2009
Buku Teks
Rahendro Jati, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2006
UI - Tesis (Membership)
Gale, J.A.
McGraw-Hill, 1974
Buku Teks