Haller. Proceedings of the thirty-first SIGCSE technical symposium on Computer science education. Association for Computing Machinery (ACM).
Čikaški stil citiranja (17. izdanje)Haller. Proceedings of the Thirty-first SIGCSE Technical Symposium on Computer Science Education. Association for Computing Machinery (ACM).
MLA način citiranja (9. izdanje)Haller. Proceedings of the Thirty-first SIGCSE Technical Symposium on Computer Science Education. Association for Computing Machinery (ACM).
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