Bianco, W. T. (1994). Trust: Representatives and constituents. University of Michigan Press.
Lua i Stíl Chicago (17ú heag.)Bianco, William T. Trust: Representatives and Constituents. Ann Arbor: University of Michigan Press, 1994.
Lua MLA (9ú heag.)Bianco, William T. Trust: Representatives and Constituents. University of Michigan Press, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.