Cita APA

Chapman, P., & Chapman, P. (1990). Guidelines on preservation and conservation policies in the archives and libraries heritage. Paris: UNESCO.

Citación estilo Chicago

Chapman, Patricia, y Patricia Chapman. Guidelines On Preservation and Conservation Policies in the Archives and Libraries Heritage. Paris: UNESCO, 1990.

Cita MLA

Chapman, Patricia, y Patricia Chapman. Guidelines On Preservation and Conservation Policies in the Archives and Libraries Heritage. Paris: UNESCO, 1990.