ABC News/Washington Post Monthly Poll, March 2009
MLA
Abc News/washington Post Monthly Poll, March 2009. Icpsr. 2010-04-29 Ann Arbor, Mich: Inter-university Consortium for Political and Social Research [distributor], 2010
APA, 7th edition
(2010). ABC News/Washington Post Monthly Poll, March 2009. ICPSR. 2010-04-29 Ann Arbor, Mich: Inter-university Consortium for Political and Social Research [distributor]
Chicago, 17th edition
ABC News/Washington Post Monthly Poll, March 2009. ICPSR. 2010-04-29 Ann Arbor, Mich: Inter-university Consortium for Political and Social Research [distributor], 2010