Lua APA (7ú heag.)

Holderness, A., & Lambert, J. (1987). A new certificate chemistry (6th ed.). Heinemann Educational..

Lua i Stíl Chicago (17ú heag.)

Holderness, A., agus John Lambert. A New Certificate Chemistry. 6th ed. Oxford: Heinemann Educational., 1987.

Lua MLA (9ú heag.)

Holderness, A., agus John Lambert. A New Certificate Chemistry. 6th ed. Heinemann Educational., 1987.

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