APA (7e ed.) Bronvermelding

Abundo, A. V. (1973). Principles of land reform and taxation (2nd ed.). s.n.

Chicago (17e ed.) Bronvermelding

Abundo, Alfredo V. Principles of Land Reform and Taxation. 2nd ed. [Naga City: s.n, 1973.

MLA (9e ed.) Bronvermelding

Abundo, Alfredo V. Principles of Land Reform and Taxation. 2nd ed. s.n, 1973.