Columbia University. School of Library Service. (1959). Outline for the course in current problems in the technical services libraries (Library service s279) (2nd ed.).
Cita Chicago (17th ed.)Columbia University. School of Library Service. Outline for the Course in Current Problems in the Technical Services Libraries (Library Service S279). 2nd ed. New York, 1959.
Cita MLA (9th ed.)Columbia University. School of Library Service. Outline for the Course in Current Problems in the Technical Services Libraries (Library Service S279). 2nd ed. 1959.
Atenció: Aquestes cites poden no estar 100% correctes.