Wolfram Research (Firm). (1999). Mathematica 4 standard add-on packages: The official guide to over a thousand additional functions for use with Mathematica 4. Wolfram Media.
Čikaški stil citiranja (17. izdanje)Wolfram Research (Firm). Mathematica 4 Standard Add-on Packages: The Official Guide to over a Thousand Additional Functions for Use with Mathematica 4. Champaign, IL: Wolfram Media, 1999.
MLA način citiranja (8. izdanje)Wolfram Research (Firm). Mathematica 4 Standard Add-on Packages: The Official Guide to over a Thousand Additional Functions for Use with Mathematica 4. Wolfram Media, 1999.
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