Citazione Stile APA (7a Edizione)

Cumagun, J., & Aldana, B. (1950). Essentials of the principles of education. University Pub.

Citazione stile Chigago Style (17a edizione)

Cumagun, Juana, e Benigno Aldana. Essentials of the Principles of Education. Manila: University Pub, 1950.

Citatione MLA (9a ed.)

Cumagun, Juana, e Benigno Aldana. Essentials of the Principles of Education. University Pub, 1950.