Glusker, Jenny Pickworth
Oxford University Press, 1985
Buku Teks
H. Widyatmoko, author
Lembaga Penelitian Universitas Indonesia, 2004
Artikel Jurnal
Agarwal, B.K., author
Springer-Verlag, 1991
Buku Teks
Jenkins, Ron, author
John Wiley & Sons, 1988
Buku Teks
Arifal Dianes Febri, author
Fakultas Teknik Universitas Indonesia, 2012
UI - Skripsi (Membership)