Cita APA (7th ed.)

Umali, R. M. (1976). Outline of taxation. Rex Book Store.

Cita Chicago (17th ed.)

Umali, Roman M. Outline of Taxation. Manila: Rex Book Store, 1976.

Cita MLA (9th ed.)

Umali, Roman M. Outline of Taxation. Rex Book Store, 1976.