Lua APA (7ú heag.)

KRASSIG, H. A. (1992). Cellulose. Gordon and Breach.

Lua i Stíl Chicago (17ú heag.)

KRASSIG, Hans A. Cellulose. Gordon and Breach, 1992.

Lua MLA (8ú heag.)

KRASSIG, Hans A. Cellulose. Gordon and Breach, 1992.

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