Κιθάρα: Διαφορά μεταξύ των αναθεωρήσεων

* {{cite web|url=http://sethares.engr.wisc.edu/alternatetunings/alternatetunings.html|title=Alternate Tuning Guide|last=Sethares|first=William A.|year=2001|format=PDF|publisher=University of Wisconsin|accessdate=20 May 2016|ref={{sfnRef|Sethares 2001}} }}

* {{cite web|url=http://www.oxfordmusiconline.com/subscriber/article/grove/music/43006|title=Guitar|authors=Turnbull, Harvey|work=Oxford Music Online|publisher=Oxford University Press|accessdate=20 May 2016|subscription=yes|ref={{sfnRef|Turnbull et al}} |display-authors=etal}}