APA-ийн эшлэл(7 дахь хэвлэлт)

Campbell, R. M. (2002). The politics of postal transformation: Modernizing postal systems in the electronic and global world. McGill-Queen's University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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 -ийн эшлэл (9 дэх хэвлэлт)

Campbell, Robert Malcolm. The Politics of Postal Transformation: Modernizing Postal Systems in the Electronic and Global World. McGill-Queen's University Press, 2002.