Παραπομπή σε μορφή APA (7η εκδ.)

Malaay, C. M. (1988). Problems encountered in the implementation of population education in the barangay high schools of La Union, 1986-1987.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Malaay, Cipriano M. Problems Encountered in the Implementation of Population Education in the Barangay High Schools of La Union, 1986-1987. 1988.

Παραπομπή σε μορφή MLA (9th εκδ.)

Malaay, Cipriano M. Problems Encountered in the Implementation of Population Education in the Barangay High Schools of La Union, 1986-1987. 1988.