Paras, E. L. (1968). Taxation fundamentals (2nd ed.). Rex Book Store.
Cita Chicago (17th ed.)Paras, Edgardo Lardizabal. Taxation Fundamentals. 2nd ed. Manila: Rex Book Store, 1968.
Cita MLA (9th ed.)Paras, Edgardo Lardizabal. Taxation Fundamentals. 2nd ed. Rex Book Store, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.