Wulpi, Donald J.
Understanding how components fail
ASM International, 2013
 Buku Teks
Wulpi, Donald J.
Understanding how components fail
ASM International, 1999
 eBooks
Norris, Pippa
Why elections fail
NY Cambridge University Press, 2016
 Buku Teks
Norris, Pippa
Why elections fail
Cambridge University Press, 2015
 eBooks
Simeon, Richard
Must Canada fail? / by Richard Simeon
McGill Queen's University Press, 1977
 Buku Teks