Παραπομπή σε μορφή APA (7η εκδ.)

O'Donnell, M., & Vickers, G. R. e. S. El Salvador elections 1994: Voter registration progress and the tasks ahead. Hemisphere Initiatives.

Παραπομπή σε μορφή Chicago (17η εκδ.)

O'Donnell, Madelene, και George R ed. Spence Vickers. El Salvador Elections 1994: Voter Registration Progress and the Tasks Ahead. Cambridge: Hemisphere Initiatives.

Παραπομπή σε μορφή MLA (9th εκδ.)

O'Donnell, Madelene, και George R ed. Spence Vickers. El Salvador Elections 1994: Voter Registration Progress and the Tasks Ahead. Hemisphere Initiatives.