Citazione Stile APA (7a Edizione)

Flesch, C. (1942). Scale-system: Scale exercises in all major and minor keys for daily study. Carl Fischer.

Citazione stile Chigago Style (17a edizione)

Flesch, Carl. Scale-system: Scale Exercises in All Major and Minor Keys for Daily Study. Nueva York: Carl Fischer, 1942.

Citatione MLA (9a ed.)

Flesch, Carl. Scale-system: Scale Exercises in All Major and Minor Keys for Daily Study. Carl Fischer, 1942.