Welsh, W. J. (1969). The Processing Department of the Library of Congress in 1968.
Style de citation Chicago (17e éd.)Welsh, William J. The Processing Department of the Library of Congress in 1968. 1969.
Style de citation MLA (9e éd.)Welsh, William J. The Processing Department of the Library of Congress in 1968. 1969.
Attention : ces citations peuvent ne pas être correctes à 100%.