Cita APA (7th ed.)

Sunio, I. S. (1977). A survey of secondary school libraries in Manila [microform]. Photoduplication Service. University of the Philippines Library.

Cita Chicago (17th ed.)

Sunio, Isabel S. A Survey of Secondary School Libraries in Manila [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.

Cita MLA (9th ed.)

Sunio, Isabel S. A Survey of Secondary School Libraries in Manila [microform]. Photoduplication Service. University of the Philippines Library, 1977.