American Library Association & Gage-Babcock & Associates, I. (1963). Protecting the library and its resources, a guide to physical protection and insurance: Report on a study conducted by Gage-Babcock & Associates. s.n.
Cita Chicago (17th ed.)American Library Association i Inc Gage-Babcock & Associates. Protecting the Library and Its Resources, a Guide to Physical Protection and Insurance: Report on a Study Conducted by Gage-Babcock & Associates. Chicago: s.n, 1963.
Cita MLA (9th ed.)American Library Association i Inc Gage-Babcock & Associates. Protecting the Library and Its Resources, a Guide to Physical Protection and Insurance: Report on a Study Conducted by Gage-Babcock & Associates. s.n, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.