Chapel, Y. (1969). The central organs of the civil service in the developing countries. United Nations.
Chicago-viite (17. p.)Chapel, Yves. The Central Organs of the Civil Service in the Developing Countries. New York: United Nations, 1969.
MLA-viite (9. p.)Chapel, Yves. The Central Organs of the Civil Service in the Developing Countries. United Nations, 1969.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.