Ignizio, James P., author
Sage, 1985
Buku Teks
Feiring, Bruce R., author
Sage University Paper, 1986
Buku Teks
Liananda Deliputri, author
Fakultas Teknik Universitas Indonesia, 2018
UI - Skripsi (Membership)
Thie, Paul R., author
John Wiley & Sons, 1979
Buku Teks
Nesa, Wu, author
McGraw-Hill, 1981
Buku Teks