Cita APA (7th ed.)

Centro Escolar University, Manila. Department of English. (1967). Workbook in English three ([Rev. ed.].). [s.n.

Cita Chicago (17th ed.)

Centro Escolar University, Manila. Department of English. Workbook in English Three. [Rev. ed.]. Manila: [s.n, 1967.

Cita MLA (9th ed.)

Centro Escolar University, Manila. Department of English. Workbook in English Three. [Rev. ed.]. [s.n, 1967.