Gale Research Company. (1960). Acronyms dictionary: A guide to alphabetic designations, contractions, and initialisms. s.n.
Chicago-referens (17:e uppl.)Gale Research Company. Acronyms Dictionary: A Guide to Alphabetic Designations, Contractions, and Initialisms. Detroit: s.n, 1960.
MLA-referens (9:e uppl.)Gale Research Company. Acronyms Dictionary: A Guide to Alphabetic Designations, Contractions, and Initialisms. s.n, 1960.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.