Παραπομπή σε μορφή APA (7η εκδ.)

Gregorio, H. C., & Gregorio, C. M. (1980). Comparative education of Southeast Asian countries. R.P. Garcia Pub.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gregorio, Herman C., και Cornelia M. Gregorio. Comparative Education of Southeast Asian Countries. Quezon City: R.P. Garcia Pub, 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gregorio, Herman C., και Cornelia M. Gregorio. Comparative Education of Southeast Asian Countries. R.P. Garcia Pub, 1980.