Fantom, A.
Peter Peregrinus, 1990
Buku Teks SO
edited by C. Matzler
Institution of Engineering and Technology, 2006
eBooks
Bhargava, Deepshikha
Thammasat University, 2017
Artikel Jurnal
Carr, Joseph J.
Newnes, 2002
Buku Referensi
Carr, Joseph J.
Newnes, 2002
Buku Teks