Hubbard, L. Ron, 1911-1986, author
Bridge Publications, Inc., 2012
Buku Referensi
Hubbard, L. Ron, 1911-1986, author
Bridge Publications, Inc., 2012
Buku Referensi
Artikel Jurnal
Clark, Rory McDowall, author
McGraw-Hill, 2012
Buku Teks
Williamson, Mark, author
Institution of Engineering and Technology, 2008
eBooks