Fahne Giswil
Urs Imhof (Xzeichen.ch, 2010), revised by <a href="//commons.wikimedia.org/wiki/User:ARK" title="User:ARK">ARK</a>
Unknown date<div style="display: none;">Unknown date</div>
<ul><li><a rel="nofollow" class="external text" href="https://www.ow.ch/gemeindewappen/274">Giswil</a>, OW.ch.</li>
<li><a rel="nofollow" class="external text" href="https://www.giswil.ch/wappen">Gemeindewappen von Giswil</a>, Giswil.ch.</li>
<li><cite style="font-style:normal">Degelo, Ludwig (2019). "<a rel="nofollow" class="external text" href="https://www.giswil.ch/_docn/2090375/Info_Giswil_1_2019.pdf">Wie Giswil zu seinem Hund kam</a>". <i>Info Gemeinde Giswil</i> <b>2019</b> (1): 7–8.</cite></li></ul>