APA
American library association, American library association, . (1956). Costs of public library service in 1956. : .
Chicago
American library association, American library association, . 1956. Costs of public library service in 1956. : .
Harvard
American library association, American library association, . (1956). Costs of public library service in 1956. : .
MLA
American library association, American library association, . Costs of public library service in 1956. : . 1956.
