Παραπομπή σε μορφή APA (7η εκδ.)

Verba, S., Schlozman, K. L., & Brady, H. E. (1995). Voice and equality: Civic voluntarism in American politics. Harvard University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Verba, Sidney, Kay Lehman Schlozman, και Henry E. Brady. Voice and Equality: Civic Voluntarism in American Politics. Cambridge: Harvard University Press, 1995.

Παραπομπή σε μορφή MLA (9th εκδ.)

Verba, Sidney, et al. Voice and Equality: Civic Voluntarism in American Politics. Harvard University Press, 1995.