Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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