(1968). United States government correspondence manual. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States Government Correspondence Manual. Washington: U.S. Government Printing Office, 1968.
ציטוט MLAUnited States Government Correspondence Manual. U.S. Government Printing Office, 1968.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.