Cita APA (7a ed.)

Elvena, C. A. B. (2020). Understanding income taxation (2020 edition.). Central Book Supply, Inc.

Cita Chicago Style (17a ed.)

Elvena, Christine Angelica B. Understanding Income Taxation. 2020 edition. Quezon City: Central Book Supply, Inc, 2020.

Cita MLA (9a ed.)

Elvena, Christine Angelica B. Understanding Income Taxation. 2020 edition. Central Book Supply, Inc, 2020.