Jerome, William Travers
John Wiley & Sons, 1961
Buku Teks
McFarland, Dalton E., author
Collier Macmillan, 1974
Buku Teks
edited by Gayton E. Germane
Addison-Wesley, 1986
Buku Teks
edited by William Ellet
Harvard Business School Publishing, 1997
Buku Referensi
Farrah Rosalina, author
Fakultas Teknik Universitas Indonesia, 2016
UI - Skripsi (Membership)