Cita APA (7a ed.)

Blanco, N. (1973). A study of the proficiency levels of the seniors of seven high schools of Laoag City in mathematics during the school year 1971-1972. s.n.].

Cita Chicago Style (17a ed.)

Blanco, Nenita. A Study of the Proficiency Levels of the Seniors of Seven High Schools of Laoag City in Mathematics During the School Year 1971-1972. [Quezon City: s.n.], 1973.

Cita MLA (9a ed.)

Blanco, Nenita. A Study of the Proficiency Levels of the Seniors of Seven High Schools of Laoag City in Mathematics During the School Year 1971-1972. s.n.], 1973.