Council on foreign relations & ZInner, P. E. (1957). Documents on American foreign relations. Harper & Brothers.
Chicago-viite (17. p.)Council on foreign relations ja Paul E. ZInner. Documents on American Foreign Relations. New York: Harper & Brothers, 1957.
MLA-viite (9. p.)Council on foreign relations ja Paul E. ZInner. Documents on American Foreign Relations. Harper & Brothers, 1957.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.