APA-viite (7. p.)

Azarcon, C. B., & Belda-Azarcon, C. (1964). Piano pieces for the early grades. s.n.

Chicago-viite (17. p.)

Azarcon, Constancia Belda, ja Constancia Belda-Azarcon. Piano Pieces for the Early Grades. [Manila: s.n, 1964.

MLA-viite (9. p.)

Azarcon, Constancia Belda, ja Constancia Belda-Azarcon. Piano Pieces for the Early Grades. s.n, 1964.