APA-viite (7. p.)

Gruba, L. K. (2016). Guide notes and cases on the general principles of taxation and the organization of the BIR. Published & distributed by Rex Book Store.

Chicago-viite (17. p.)

Gruba, Lily K. Guide Notes and Cases on the General Principles of Taxation and the Organization of the BIR. Manila: Published & distributed by Rex Book Store, 2016.

MLA-viite (9. p.)

Gruba, Lily K. Guide Notes and Cases on the General Principles of Taxation and the Organization of the BIR. Published & distributed by Rex Book Store, 2016.