Παραπομπή σε μορφή APA (7η εκδ.)

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.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.