Freund, H. A.
1945, Angus and Robertson
Buku Teks
Hasbrouck, Ellen K.
Jossey-Bass, 1996
Buku Teks
Joseph L. Cavinato and Ralph G. Kauffman, editors in chief
McGraw-Hill, 1999
Buku Referensi
Luky, author
Fakultas Teknik Universitas Indonesia, 2017
UI - Tesis (Membership)
Alif Rafindika Zulkary, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2022
UI - Skripsi (Membership)