Cita APA (7th ed.)

Tuy, S. M. (1976). The merit of seniority ranking system in the Bureau of Public Schools [microform]. Photoduplication Service. University of the Philippines Library.

Cita Chicago (17th ed.)

Tuy, Salvador M. The Merit of Seniority Ranking System in the Bureau of Public Schools [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.

Cita MLA (9th ed.)

Tuy, Salvador M. The Merit of Seniority Ranking System in the Bureau of Public Schools [microform]. Photoduplication Service. University of the Philippines Library, 1976.