Cita APA (7a ed.)

Tuy, S. M. (1961). The merit and seniority ranking system in the Bureau of Public Schools. s.n.].

Cita Chicago Style (17a ed.)

Tuy, Salvador M. The Merit and Seniority Ranking System in the Bureau of Public Schools. [Quezon City: s.n.], 1961.

Cita MLA (9a ed.)

Tuy, Salvador M. The Merit and Seniority Ranking System in the Bureau of Public Schools. s.n.], 1961.