Gaya APA

Ridwan,SH.,M.B.A.,Sp.N, D, K, A, N, H, D, R. (1991). Managing Cost In Today's Manufacturing Environment (1). New Jersey: Prentice Hall.

Gaya MLA

Ridwan,SH.,M.B.A.,Sp.N, Dr., Kemas, Anriz, Nazaruddin, Halim,SH.,Sp.N.,MH.,M.Kn, Dan, Refki. "Managing Cost In Today's Manufacturing Environment". 1 New Jersey: Prentice Hall, 1991. Text.