edited by Donald A. Jardine
North-Holland Publishing Company, 1974
Buku Referensi
Taylor, James, author
[American Management Association, American Management Association], 2004
eBooks
Dalimunthe, Ande Haspan, author
Fakultas Teknik Universitas Indonesia, 2013
UI - Skripsi (Membership)
Annisa Andarrachmi, author
Fakultas Ilmu Komputer Universitas Indonesia, 2019
UI - Tugas Akhir
edited by Fred Gruenberger
Prentice-Hall, 1969
Buku Teks