APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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