Artikel Jurnal
Northcote-Green, James, author
CRC Press, Taylor & Francis, 2007
Buku Teks
Rekioua, Djamila, author
Springer, 2012
eBooks
Shapiro, Alen D., author
Addison-Wesley, 1987
Buku Teks
Sinaga, Arnol, author
Fakultas Teknik Universitas Indonesia, 2012
UI - Skripsi Open