Erickson, E. W. (1961). College and university library surveys, 1938-1952. American Library ASsociation.
Style de citation Chicago (17e éd.)Erickson, Ernst Walfred. College and University Library Surveys, 1938-1952. Chicago: American Library ASsociation, 1961.
Style de citation MLA (9e éd.)Erickson, Ernst Walfred. College and University Library Surveys, 1938-1952. American Library ASsociation, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.