Roberts, J. C. (1996). Paper Chemistry (2nd ed.). Blackie Academic and Professional.
Lua i Stíl Chicago (17ú heag.)Roberts, J. C. Paper Chemistry. 2nd ed. London: Blackie Academic and Professional, 1996.
Lua MLA (9ú heag.)Roberts, J. C. Paper Chemistry. 2nd ed. Blackie Academic and Professional, 1996.
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