Parks, W. J. (1951). United States administration of its international economic affairs.
Chicago-viite (17. p.)Parks, Wallace Judson. United States Administration of Its International Economic Affairs. Baltimore, Johns Hopkins Press, 1951.
MLA-viite (9. p.)Parks, Wallace Judson. United States Administration of Its International Economic Affairs. 1951.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.