Philippines (Republic). Budget Commission & Management Service. (1958). Guide to plain letters: A handbook. s.n.].
Cita Chicago (17th ed.)Philippines (Republic). Budget Commission i Management Service. Guide to Plain Letters: A Handbook. [Manila: s.n.], 1958.
Cita MLA (9th ed.)Philippines (Republic). Budget Commission i Management Service. Guide to Plain Letters: A Handbook. s.n.], 1958.
Atenció: Aquestes cites poden no estar 100% correctes.