United State Goverment Printing Office, 1960
Buku Teks
Keighley, H.J.P.
Pergamon Press, 1975
Buku Teks
Fowler, Richard J.
McGraw-Hill , 2003
Buku Teks
Stranti Nastiti Kusumaningrum
Faculty of Economic and Business UIN Syarif Hidayatullah, 2018
Artikel Jurnal
Asril Irsadi
Fakultas Teknik Universitas Indonesia, 2019
UI - Tesis Membership