APA (7th ed.) Zitazioa

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.

Chicago Style (17th ed.) Zitazioa

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.

MLA (9th ed.) Zitazioa

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.