== Kilder ==
{{Reflist|refs=
<ref name="note1">s. 18-19, The way of the Ninja, Masaaki Hatsumi {{ISBN|4-7700-2805-9}}. 2004 KODANSHA intl.</ref>
<ref name="note2">s. 10-11, Ninja, the true story of Japans secret warrior Cult, Stephen Turnbull, {{ISBN|1-84067-432-6}}, 1991 Caxton Editions</ref>
<ref name="note3">s. 15-17, Ninja, the true story of Japans secret warrior Cult </ref>
<ref name="note4">s. 91-99, Krigskunsten, – på Dansk ved Jens Østergård Petersen, {{ISBN|87-500-2774-3}}, 1989 Akademisk forlag </ref>
<ref name="note5">s. 40-48, Stormesterens Ninjahemmeligheder, på dansk ved Peter Hedegaard, Hatsumi/Hayes, {{ISBN|87-88730-38-7}}, Chr. Steinbachs Forlag </ref>
<ref name="note7">{{Cite web |url=http://www.bujin.dk/side/soke |title=About Soke Masaaki Hatsumi - Bujinkan Kuki Taisho Dojo |access-date= 2. juni 2011 |archive-date=27. maj 2011 |archive-url=https://web.archive.org/web/20110527162040/http://www.bujin.dk/side/soke |url-status=dead }}</ref>
}}
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