Guzman, A. d., & Lynch, F. X. (1973). Four readings on Philippine values (Fouth Edition Enlarged.). Ateneo de Manila University Press.
Cita Chicago (17th ed.)Guzman, Alfonso de, i Francis Xavier Lynch. Four Readings on Philippine Values. Fouth Edition Enlarged. Quezon City: Ateneo de Manila University Press, 1973.
Cita MLA (9th ed.)Guzman, Alfonso de, i Francis Xavier Lynch. Four Readings on Philippine Values. Fouth Edition Enlarged. Ateneo de Manila University Press, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.