Cass, James, author
Harper & Row, 1971
Buku Referensi
Ghafour Amouzad Mahdiraji, Edwin C. Y. Chung, Satesh Narayana Namasivayam, Mohammad Hosseini Fouladi, editors
Springer Nature, 2019
eBooks
Hague, Rod., author
Palgrave Macmillan , 2013
Buku Teks
Van Vlack, Lawrence H., author
Addison-Wesley, 1975
Buku Teks
Callister, William D., Jr., 1940-, author
Wiley, 2015
Buku Teks