Citazione Stile APA (7a Edizione)

Co Untian, C. P. J. (2019). Taxation digest: A bar examination reviewer ([Sixth edition].). Central Book Supply Inc.

Citazione stile Chigago Style (17a edizione)

Co Untian, Crescencio P. Jr.,author. Taxation Digest: A Bar Examination Reviewer. [Sixth edition]. Quezon City: Central Book Supply Inc, 2019.

Citatione MLA (9a ed.)

Co Untian, Crescencio P. Jr.,author. Taxation Digest: A Bar Examination Reviewer. [Sixth edition]. Central Book Supply Inc, 2019.