Παραπομπή σε μορφή APA (7η εκδ.)

Herrera, E. F. (2002). Charter change through people's initiative. IN Policy peek [column]: The lesser evil? Manila Times.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Herrera, Ernesto F. "Charter Change Through People's Initiative. IN Policy Peek [column]: The Lesser Evil?" Manila Times 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Herrera, Ernesto F. "Charter Change Through People's Initiative. IN Policy Peek [column]: The Lesser Evil?" Manila Times, 2002.