Pugh, M. J. (2005). Providing reference services for archives & manuscripts. Society of American Archivists.
Lua i Stíl Chicago (17ú heag.)Pugh, Mary Jo. Providing Reference Services for Archives & Manuscripts. Chicago: Society of American Archivists, 2005.
Lua MLA (8ú heag.)Pugh, Mary Jo. Providing Reference Services for Archives & Manuscripts. Society of American Archivists, 2005.
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