Style de citation APA (7e éd.)

Gregorio, H. C., & Gregorio, C. M. (1976). Introduction to education in Philippine setting. R. P. Garcia Pub., Co.

Style de citation Chicago (17e éd.)

Gregorio, Herman C., et Cornelia M. Gregorio. Introduction to Education in Philippine Setting. Quezon City: R. P. Garcia Pub., Co, 1976.

Style de citation MLA (9e éd.)

Gregorio, Herman C., et Cornelia M. Gregorio. Introduction to Education in Philippine Setting. R. P. Garcia Pub., Co, 1976.