Erickson, E. W. (1961). College and university library surveys, 1938-1952. American Library Association.
Citace podle Chicago (17th ed.)Erickson, E. Walfred. College and University Library Surveys, 1938-1952. Chicago: American Library Association, 1961.
Citace podle MLA (8th ed.)Erickson, E. Walfred. College and University Library Surveys, 1938-1952. American Library Association, 1961.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..