Addatu, R. C. (1998). Income taxation based on Republic Act 8424 (The Tax Reform Act of 1997). Redman Printing.
Cita Chicago (17th ed.)Addatu, Raul C. Income Taxation Based on Republic Act 8424 (The Tax Reform Act of 1997). Manila: Redman Printing, 1998.
Cita MLA (9th ed.)Addatu, Raul C. Income Taxation Based on Republic Act 8424 (The Tax Reform Act of 1997). Redman Printing, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.