Manahan, C. T. (2025). National Internal Revenue Code: As amended by Republic Act Nos. 11976, 12023, 12066 and 12079 (2025 edition.). Central Book Supply, Inc.
Lua i Stíl Chicago (17ú heag.)Manahan, Catherine Triunfante. National Internal Revenue Code: As Amended by Republic Act Nos. 11976, 12023, 12066 and 12079. 2025 edition. Quezon CIty: Central Book Supply, Inc, 2025.
Lua MLA (9ú heag.)Manahan, Catherine Triunfante. National Internal Revenue Code: As Amended by Republic Act Nos. 11976, 12023, 12066 and 12079. 2025 edition. Central Book Supply, Inc, 2025.
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