McKercher, Asa
Oxford University Press, 2016
eBooks
Sardar, Ziauddin
Classic Press, 2004
Buku Teks
Martin, Dick
American Management Association, 2007
eBooks
Cooper, Barry
University of Missouri Press, 2004
Buku Teks
Puji Agustine Sumargo
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1987
UI - Skripsi (Membership)