Citazione APA

Lock R. Northwood. (1977). Manual of library economy: A conspectus of professional librarianship for students and practitioners. London.

Stile di citazione Chicago

Lock R. Northwood. Manual of Library Economy: A Conspectus of Professional Librarianship for Students and Practitioners. Clive Bingley: London, 1977.

Citazione MLA

Lock R. Northwood. Manual of Library Economy: A Conspectus of Professional Librarianship for Students and Practitioners. London, 1977.