ebrary, Inc, Tarr, G. A., & Williams, R. F. (2006). State constitutions for the twenty-first century. State University of New York Press.
Chicago-viite (17. p.)ebrary, Inc, G. Alan Tarr, ja Robert F. Williams. State Constitutions for the Twenty-first Century. Albany: State University of New York Press, 2006.
MLA-viite (9. p.)ebrary, Inc, et al. State Constitutions for the Twenty-first Century. State University of New York Press, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.