Library of Congress. Annual report of the Librarian of Congress for the fiscal year ended ...: Reformatted from the original and including, Report of the Librarian of Congress for the year ending December 1. G.P.O.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Library of Congress. Annual Report of the Librarian of Congress for the Fiscal Year Ended ...: Reformatted from the Original and Including, Report of the Librarian of Congress for the Year Ending December 1. [Washington: G.P.O.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Library of Congress. Annual Report of the Librarian of Congress for the Fiscal Year Ended ...: Reformatted from the Original and Including, Report of the Librarian of Congress for the Year Ending December 1. G.P.O.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.