APA-referens (7:e uppl.)

Zimmerman, J. F. (2014). The initiative: Citizen lawmaking (Second edition.). SUNY Press.

Chicago-referens (17:e uppl.)

Zimmerman, Joseph Francis. The Initiative: Citizen Lawmaking. Second edition. Albany, New York: SUNY Press, 2014.

MLA-referens (9:e uppl.)

Zimmerman, Joseph Francis. The Initiative: Citizen Lawmaking. Second edition. SUNY Press, 2014.