Gale Research Company, Crowley, E. T., & Thomas, R. C. (1973). Acronyms and initialisms dictionary: A guide to alphabetic designations, contradictions, acronyms, initialisms, and similar condensed appelations (4th ed.).
Citação norma ChicagoGale Research Company, Ellen T. Crowley, and Robert C. Thomas. Acronyms and Initialisms Dictionary: A Guide to Alphabetic Designations, Contradictions, Acronyms, Initialisms, and Similar Condensed Appelations. 4th ed. Detroit, 1973.
Citação norma MLAGale Research Company, et al. Acronyms and Initialisms Dictionary: A Guide to Alphabetic Designations, Contradictions, Acronyms, Initialisms, and Similar Condensed Appelations. 4th ed. 1973.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.