(2001). Megamaths. series producer, Allan Johnston ; BBC. [Series 5], Programme 4, Patterns.
Čikaški stil citiranja (17. izdanje)Megamaths. Series Producer, Allan Johnston ; BBC. [Series 5], Programme 4, Patterns. 2001.
MLA način citiranja (9. izdanje)Megamaths. Series Producer, Allan Johnston ; BBC. [Series 5], Programme 4, Patterns. 2001.
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