APA (7th ed.) Zitazioa

Sassmannshaus, E. (2009). Early start on the Cello. Barenreiter.

Chicago Style (17th ed.) Zitazioa

Sassmannshaus, Egon. Early Start on the Cello. Kassel: Barenreiter, 2009.

MLA (9th ed.) Zitazioa

Sassmannshaus, Egon. Early Start on the Cello. Barenreiter, 2009.