Heyel, Carl, author
American Management Association, 1960
Buku Teks
Siti Namira Aisyah, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2023
UI - Skripsi (Membership)
Manurung, Tonggo Uli Yusmaniar, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Tesis (Membership)
Muhammad AS Hikam, author
Indonesia Defense University, 2018
Artikel Jurnal
John E. Tropman, John L. Erlich, Jack Rothman
Peacock Publishers, 2001
Buku Teks