Παραπομπή σε μορφή APA (7η εκδ.)

Schlozman, K. L., Verba, S., & Brady, H. E. (2012). The unheavenly chorus: Unequal political voice and the broken promise of American democracy. Princeton University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Schlozman, Kay Lehman, Sidney Verba, και Henry E. Brady. The Unheavenly Chorus: Unequal Political Voice and the Broken Promise of American Democracy. Princeton ; Oxford: Princeton University Press, 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Schlozman, Kay Lehman, et al. The Unheavenly Chorus: Unequal Political Voice and the Broken Promise of American Democracy. Princeton University Press, 2012.