APA aipamena

Library Association. Research and Development Committee. (1974). Professional and non-professional duties in libraries: A descriptive list (2nd ed.). Library Association.

Chicago Style aipamena

Library Association. Research and Development Committee. Professional and Non-professional Duties in Libraries: A Descriptive List. 2nd ed. London: Library Association, 1974.

MLA aipamena

Library Association. Research and Development Committee. Professional and Non-professional Duties in Libraries: A Descriptive List. 2nd ed. Library Association, 1974.