Searle, John R., author
A Member of the Perseus Books Group, 1998
Buku Teks
Searle, John R., author
MIT Press, 1998
Buku Teks
Crick, France
Simon & Schuster , 1995
Buku Teks
Gallagher, Daniel P., author
American Society for Training & Development, 2012
eBooks
Afiania, author
2018
UI - Skripsi (Membership)