Cita APA (7th ed.)

Philippines (Republic). National Library, Bibliography Division, Baylon, C. S., Maloles, L. R., & Orbase, L. O. (1972). Catalog of copyright entries, 1964-1968. [s.n.].

Cita Chicago (17th ed.)

Philippines (Republic). National Library, Bibliography Division, Concepcion S. Baylon, Leticia R. Maloles, i Lily O. Orbase. Catalog of Copyright Entries, 1964-1968. Manila: [s.n.], 1972.

Cita MLA (9th ed.)

Philippines (Republic). National Library, et al. Catalog of Copyright Entries, 1964-1968. [s.n.], 1972.