Citazione APA

Verba,Sidney, & Nie,Norman H. (1978). Participation and political equality: A seven - nation comparison. Cambridge University Press.

Stile di citazione Chicago

Verba,Sidney, e Nie,Norman H. Participation and Political Equality: A Seven - Nation Comparison. Cambridge: Cambridge University Press, 1978.

Citazione MLA

Verba,Sidney, e Nie,Norman H. Participation and Political Equality: A Seven - Nation Comparison. Cambridge University Press, 1978.