APA (7th ed.) Citation

Ordono, E. O. (2000). 1999 BIR rulings: Digest, text and index. The Author.

Chicago Style (17th ed.) Citation

Ordono, Eustaquio O. 1999 BIR Rulings: Digest, Text and Index. Manila: The Author, 2000.

MLA (9th ed.) Citation

Ordono, Eustaquio O. 1999 BIR Rulings: Digest, Text and Index. The Author, 2000.