APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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