Roojen, Pepin van, author
Pepin Press, 2010
Multimedia
Astri Cahyorini, author
[Publisher not identified], 2011
Artikel Jurnal
Marilyn Hryciuk, editor
Bob Douglas, 1986
Buku Referensi
Amalia Suzianti, author
Faculty of Engineering, Universitas Indonesia, 2015
Artikel Jurnal
Rockport Publishers, INC, 1995
Buku Teks