Artikel Jurnal
Jovanio Junior, author
Faculty of Engineering, Universitas Indonesia, 2011
Artikel Jurnal
Brown, Richard E., author
CRC Press, Taylor & Francis Group, 2009
Buku Teks
edited by Arthur H. Seidman
McGraw-Hill, 1983
Buku Referensi
Weedy, B.M., author
John Wiley & Sons, 1993
Buku Teks