Lua APA (7ú heag.)

COBB, A. (2007). CHEMISTRY MATTER'S: CHEMISTRY IN ACTION. BROWN REFERENCE GROUP.

Lua i Stíl Chicago (17ú heag.)

COBB, ALLAN.B. CHEMISTRY MATTER'S: CHEMISTRY IN ACTION. LONDON: BROWN REFERENCE GROUP, 2007.

Lua MLA (9ú heag.)

COBB, ALLAN.B. CHEMISTRY MATTER'S: CHEMISTRY IN ACTION. BROWN REFERENCE GROUP, 2007.

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