Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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