Vondran, R. F. (1980). National Union Catalog experience: Implications for network planning. Library of Congress.
Citazione stile Chigago Style (17a edizione)Vondran, Raymond F. National Union Catalog Experience: Implications for Network Planning. Washington: Library of Congress, 1980.
Citatione MLA (9a ed.)Vondran, Raymond F. National Union Catalog Experience: Implications for Network Planning. Library of Congress, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.