Asher, H. B. (1988). Presidential elections and American politics: Voters, candidates, and campaigns since 1952 (4th ed.). Dorsey Press.
Cita Chicago (17th ed.)Asher, Herbert B. Presidential Elections and American Politics: Voters, Candidates, and Campaigns Since 1952. 4th ed. Chicago, Ill: Dorsey Press, 1988.
Cita MLA (9th ed.)Asher, Herbert B. Presidential Elections and American Politics: Voters, Candidates, and Campaigns Since 1952. 4th ed. Dorsey Press, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.