Lua APA (7ú heag.)

Croft, A. Foundation Maths (5.). Pearson Education UK.

Lua i Stíl Chicago (17ú heag.)

Croft, Anthony;Davison. Foundation Maths. 5. Pearson Education UK.

Lua MLA (8ú heag.)

Croft, Anthony;Davison. Foundation Maths. 5. Pearson Education UK.

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