Herfurth, C. P. (1933). A tune a day: The theacher's manual for violin instruction in group, public school classes or individual lessons. Boston Music.
Citazione stile Chigago Style (17a edizione)Herfurth, C. Paul. A Tune a Day: The Theacher's Manual for Violin Instruction in Group, Public School Classes or Individual Lessons. Boston: Boston Music, 1933.
Citatione MLA (9a ed.)Herfurth, C. Paul. A Tune a Day: The Theacher's Manual for Violin Instruction in Group, Public School Classes or Individual Lessons. Boston Music, 1933.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.