Hoffmann, F. W., & Wood, R. J. (1997). Guide to popular U.S. government publications (4th ed.). Libraries Unlimited.
Chicago Style (17. basım) AtıfHoffmann, Frank W., ve Richard J. Wood. Guide to Popular U.S. Government Publications. 4th ed. Englewood, Colo: Libraries Unlimited, 1997.
MLA (9th ed.) AtıfHoffmann, Frank W., ve Richard J. Wood. Guide to Popular U.S. Government Publications. 4th ed. Libraries Unlimited, 1997.
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