APA (7e ed.) Bronvermelding

Fortuna, J. (1994). Abu Sayyaf a full-blown problem. IN East and West [column]. Manila Chronicle.

Chicago (17e ed.) Bronvermelding

Fortuna, Julius. "Abu Sayyaf a Full-blown Problem. IN East and West [column]." Manila Chronicle 1994.

MLA (9e ed.) Bronvermelding

Fortuna, Julius. "Abu Sayyaf a Full-blown Problem. IN East and West [column]." Manila Chronicle, 1994.

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