Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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