Lake, C. C. (1987). Public opinion polling: A handbook for public interest and citizen advocacy groups. Island Press.
Chicago-Zitierstil (17. Ausg.)Lake, Celinda C. Public Opinion Polling: A Handbook for Public Interest and Citizen Advocacy Groups. Washington, D.C: Island Press, 1987.
MLA-Zitierstil (9. Ausg.)Lake, Celinda C. Public Opinion Polling: A Handbook for Public Interest and Citizen Advocacy Groups. Island Press, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.