CHANGE KANG -TSUNG. (2016). INTRODUCTION TO GEOGRAPHIC INFORMATION SYSTEMS. MC GRAW HILL.
Čikaški stil citiranja (17. izdanje)CHANGE KANG -TSUNG. INTRODUCTION TO GEOGRAPHIC INFORMATION SYSTEMS. NEW DELHI: MC GRAW HILL, 2016.
MLA način citiranja (9. izdanje)CHANGE KANG -TSUNG. INTRODUCTION TO GEOGRAPHIC INFORMATION SYSTEMS. MC GRAW HILL, 2016.
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