Ноћ дугих ножева — разлика између измена

* {{Cite book | last = Evans | first = Richard | authorlink = Richard J. Evans | year = 2005 | title = The Third Reich in Power| publisher = Penguin Group | location = New York |isbn=978-0-14-303790-3 | ref = harv}}

* {{cite book | last = Shirer | first = William L | year = 1960 | authorlink = William L. Shirer | title = The Rise and Fall of the Third Reich | publisher = Simon and Schuster | location = New York |isbn=978-0-671-72868-7 | ref = harv}}