APA (7th ed.) Citation

Prasertkul, L. (1959). Student problems of the U.P. Preparatory high school. s.n.].

Chicago Style (17th ed.) Citation

Prasertkul, Ladda. Student Problems of the U.P. Preparatory High School. [Quezon City: s.n.], 1959.

MLA (9th ed.) Citation

Prasertkul, Ladda. Student Problems of the U.P. Preparatory High School. s.n.], 1959.