Lua APA (7ú heag.)

Bevan, D. (2011). CAMBRIDGE INTERNATIONAL AS AND A LEVEL CHEMISTRY: REVISION GUIDE. Hodder Education.

Lua i Stíl Chicago (17ú heag.)

Bevan, David. CAMBRIDGE INTERNATIONAL AS AND A LEVEL CHEMISTRY: REVISION GUIDE. Hodder Education, 2011.

Lua MLA (8ú heag.)

Bevan, David. CAMBRIDGE INTERNATIONAL AS AND A LEVEL CHEMISTRY: REVISION GUIDE. Hodder Education, 2011.

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