APA (7 ম সংস্করণ) উদ্ধৃতি

(1917). The Original Guckert's chords for the ukulele at sight: Without notes or teacher. Union Music.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

The Original Guckert's Chords for the Ukulele at Sight: Without Notes or Teacher. Toledo: Union Music, 1917.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

The Original Guckert's Chords for the Ukulele at Sight: Without Notes or Teacher. Union Music, 1917.