(1973). Specifications for the microfilming of books and pamphlets in the Library of Congress.
Chicago-Zitierstil (17. Ausg.)Specifications for the Microfilming of Books and Pamphlets in the Library of Congress. Washington, 1973.
MLA-Zitierstil (9. Ausg.)Specifications for the Microfilming of Books and Pamphlets in the Library of Congress. 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.