ماخذ: Henri Challan. Retards et appogiatures. 380 Basses et chants donnés - Volume 10, Chants sur l''ensemble des notes étrangère - 10c.
ترجمه: هنری Challan. نت موسیقی. صدا. VCE. هنری Challan. It includes the exercises 356 to 380 on the subject and is mainly written in C and F keys.