APA (7e ed.) Bronvermelding

Estupigan, R. (1999). Putting premium on quality tertiary education. Manila Bulletin.

Chicago (17e ed.) Bronvermelding

Estupigan, Ruth. "Putting Premium on Quality Tertiary Education." Manila Bulletin 1999.

MLA (9e ed.) Bronvermelding

Estupigan, Ruth. "Putting Premium on Quality Tertiary Education." Manila Bulletin, 1999.

Let op: Deze citaties zijn niet altijd 100% accuraat.