DYSON PETER. (1989). MASTERING THE NORTON UTILITIES. BPB PUBLICATIONS.
Čikaški stil citiranja (17. izdanje)DYSON PETER. MASTERING THE NORTON UTILITIES. DELHI: BPB PUBLICATIONS, 1989.
MLA način citiranja (9. izdanje)DYSON PETER. MASTERING THE NORTON UTILITIES. BPB PUBLICATIONS, 1989.
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