Catmull, Edwin, author
Random House Canada, 2014
Buku Teks
Debby Azizah Debryana, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
UI - Skripsi Membership
Rabe, Cynthia Barton, author
American Management Association, 2006
eBooks
Lidya Hardiani, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2018
UI - Skripsi Membership
Muhammad Naufal Rayhan, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
UI - Skripsi (Membership)