Παραπομπή σε μορφή APA (7η εκδ.)

Gregorio, H. C., & Gregorio, C. M. (1979). Philosophy of education in Philippine setting. R.P. Garcia Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gregorio, Herman Cruz, και Cornelia M. Gregorio. Philosophy of Education in Philippine Setting. Quezon City: R.P. Garcia Publishing, 1979.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gregorio, Herman Cruz, και Cornelia M. Gregorio. Philosophy of Education in Philippine Setting. R.P. Garcia Publishing, 1979.