Radev. (2013). Puzzles in Logic, Languages and Computation (1.). Springer Berlin Heidelberg.
Čikaški stil citiranja (17. izdanje)Radev. Puzzles in Logic, Languages and Computation. 1. Springer Berlin Heidelberg, 2013.
MLA način citiranja (8. izdanje)Radev. Puzzles in Logic, Languages and Computation. 1. Springer Berlin Heidelberg, 2013.
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