Cita APA (7th ed.)

Buenaventura, A. R. (1973). On a substitute F-ratio using ranges [microform]. Photoduplication Service University of the Philippines Library.

Cita Chicago (17th ed.)

Buenaventura, Angeles R. On a Substitute F-ratio Using Ranges [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1973.

Cita MLA (9th ed.)

Buenaventura, Angeles R. On a Substitute F-ratio Using Ranges [microform]. Photoduplication Service University of the Philippines Library, 1973.