APA-referens (7:e uppl.)
Campbell, R. M. (2002). The politics of postal transformation: Modernizing postal systems in the electronic and global world. McGill-Queen's University Press.
Chicago-referens (17:e uppl.)
Campbell, Robert Malcolm. The Politics of Postal Transformation: Modernizing Postal Systems in the Electronic and Global World. Montreal: McGill-Queen's University Press, 2002.
MLA-referens (9:e uppl.)
Campbell, Robert Malcolm. The Politics of Postal Transformation: Modernizing Postal Systems in the Electronic and Global World. McGill-Queen's University Press, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.