Bernardino, V., & Fresnoza, F. P. (1963). Principles of education (Revised and enlarged edition.). Abiva Pub. House.
Cita Chicago (17th ed.)Bernardino, Vitaliano, i Florencio P. Fresnoza. Principles of Education. Revised and enlarged edition. Manila: Abiva Pub. House, 1963.
Cita MLA (9th ed.)Bernardino, Vitaliano, i Florencio P. Fresnoza. Principles of Education. Revised and enlarged edition. Abiva Pub. House, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.