Heyel, Carl, author
American Management Association, 1958
Buku Teks
Super, Donald E., author
Harper & Row , 1962
Buku Teks
Super, Donald E., author
Harper, 1962
Buku Teks
Gorvernment printing Office , 1947
Buku Teks
Sri Maryani, author
Fakultas Ilmu Keperawatan Universitas Indonesia, 2002
UI - Tesis (Membership)