Library Institute. University of California, 1947. (1949). Reaching readers: Techniques of extending library services. University of California Press.
Cita Chicago (17th ed.)Library Institute. University of California, 1947. Reaching Readers: Techniques of Extending Library Services. Berkeley: University of California Press, 1949.
Cita MLA (9th ed.)Library Institute. University of California, 1947. Reaching Readers: Techniques of Extending Library Services. University of California Press, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.