Hydrick, B., & Murphy, G. (1987). A guide to the microfilm edition of Confidential U.S. State Department Central Files: Decimal numbers 693, 693B, 611.93, 611.93B, and 611.93C. University Publications of America.
Chicago-referens (17:e uppl.)Hydrick, Blair, och Gregory Murphy. A Guide to the Microfilm Edition of Confidential U.S. State Department Central Files: Decimal Numbers 693, 693B, 611.93, 611.93B, and 611.93C. Frederick, MD: University Publications of America, 1987.
MLA-referens (8:e uppl.)Hydrick, Blair, och Gregory Murphy. A Guide to the Microfilm Edition of Confidential U.S. State Department Central Files: Decimal Numbers 693, 693B, 611.93, 611.93B, and 611.93C. University Publications of America, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.