Faber, N., & Faber, R. (2012). Piano adventures: Level 4. Dovetree Productions Inc.
Cita Chicago (17th ed.)Faber, Nancy, i Randall Faber. Piano Adventures: Level 4. Dovetree Productions Inc, 2012.
Cita MLA (9th ed.)Faber, Nancy, i Randall Faber. Piano Adventures: Level 4. Dovetree Productions Inc, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.