Asher, H. B. (1995). Polling and the public: What every citizen should know (3rd ed.). CQ Press.
Chicago-Zitierstil (17. Ausg.)Asher, Herbert B. Polling and the Public: What Every Citizen Should Know. 3rd ed. Washington, D.C.: CQ Press, 1995.
MLA-Zitierstil (8. Ausg.)Asher, Herbert B. Polling and the Public: What Every Citizen Should Know. 3rd ed. CQ Press, 1995.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.