Παραπομπή σε μορφή APA (7η εκδ.)

Olvena, M. V. R. (2004). Cityhood conversion and its fiscal impact on the mother province: The case of Tarlac City and Tarlac province.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Olvena, Maria Virginia R. Cityhood Conversion and Its Fiscal Impact on the Mother Province: The Case of Tarlac City and Tarlac Province. 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

Olvena, Maria Virginia R. Cityhood Conversion and Its Fiscal Impact on the Mother Province: The Case of Tarlac City and Tarlac Province. 2004.