Greenfield, Susan Watkins. Interest Groups and Lobbyists: Sources of Information. Washington D.C.. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metacrs3325/. Accessed December 9, 2016.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.