-. Annual Report of The Librarian of Conggres: For the fiscal year ending June 30, 1972. Goverment Printing Office.
Chicago-Zitierstil (17. Ausg.)-. Annual Report of The Librarian of Conggres: For the Fiscal Year Ending June 30, 1972. Goverment Printing Office.
MLA-Zitierstil (8. Ausg.)-. Annual Report of The Librarian of Conggres: For the Fiscal Year Ending June 30, 1972. Goverment Printing Office.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.