Kitchin, C.R.
CRC Press, Taylor & Francis Group, 2009
Buku Teks SO
Amrizal
Universitas Indonesia, 2003
UI - Tugas Akhir
edited by Manfred P. Leubner, Zoltán Vörös
Springer, 2012
eBooks
Zeilik, Michael
Saunders College, 1992
Buku Teks SO
Murchine, Guy
Boston: Houghton Mifflin, 1961
Buku Teks