Abundo, A. V. (1972). Principles of land reform and taxation. s.n.].
Lua i Stíl Chicago (17ú heag.)Abundo, Alfredo V. Principles of Land Reform and Taxation. [Naga City: s.n.], 1972.
Lua MLA (9ú heag.)Abundo, Alfredo V. Principles of Land Reform and Taxation. s.n.], 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.