Παραπομπή σε μορφή APA (7η εκδ.)

Opeña, M. L. R. (1998). The conversion of Busali Farm: Its political implications to the province of Biliran.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Opeña, Mario Lydinno R. The Conversion of Busali Farm: Its Political Implications to the Province of Biliran. 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Opeña, Mario Lydinno R. The Conversion of Busali Farm: Its Political Implications to the Province of Biliran. 1998.