APA (7e ed.) Bronvermelding

Abundo, A. V. (1972). Principles of land reform and taxation. s.n.].

Chicago (17e ed.) Bronvermelding

Abundo, Alfredo V. Principles of Land Reform and Taxation. [Naga City: s.n.], 1972.

MLA (9e ed.) Bronvermelding

Abundo, Alfredo V. Principles of Land Reform and Taxation. s.n.], 1972.