Não informado. (1960). Paper Technology. British Paper and Board Makers Association, Technical Section.
Lua i Stíl Chicago (17ú heag.)Não informado. Paper Technology. London: British Paper and Board Makers Association, Technical Section, 1960.
Lua MLA (8ú heag.)Não informado. Paper Technology. British Paper and Board Makers Association, Technical Section, 1960.
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