Παραπομπή σε μορφή APA (7η εκδ.)

Charlton, M. W., & Barker, P. (2009). Crosscurrents: Contemporary political issues (Sixth edition.). Nelson Education.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Charlton, Mark William, και Paul Barker. Crosscurrents: Contemporary Political Issues. Sixth edition. [Toronto, Ontario]: Nelson Education, 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Charlton, Mark William, και Paul Barker. Crosscurrents: Contemporary Political Issues. Sixth edition. Nelson Education, 2009.