Cita APA (7th ed.)

Philippine Normal College. Language Study Center. (1969). A workbook in Philippine languages. s.n.

Cita Chicago (17th ed.)

Philippine Normal College. Language Study Center. A Workbook in Philippine Languages. [Manila: s.n, 1969.

Cita MLA (9th ed.)

Philippine Normal College. Language Study Center. A Workbook in Philippine Languages. s.n, 1969.