Lua APA (7ú heag.)

LEWIS, R. (2002). CHEMISTRY (2.). N.Y.

Lua i Stíl Chicago (17ú heag.)

LEWIS, R. CHEMISTRY. 2. PALGRAVE FOUND: N.Y, 2002.

Lua MLA (9ú heag.)

LEWIS, R. CHEMISTRY. 2. N.Y, 2002.

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