CHANGE KANG -TSUNG. (2016). INTRODUCTION TO GEOGRAPHIC INFORMATION SYSTEMS. MC GRAW HILL.
Citazione stile Chigago Style (17a edizione)CHANGE KANG -TSUNG. INTRODUCTION TO GEOGRAPHIC INFORMATION SYSTEMS. NEW DELHI: MC GRAW HILL, 2016.
Citatione MLA (9a ed.)CHANGE KANG -TSUNG. INTRODUCTION TO GEOGRAPHIC INFORMATION SYSTEMS. MC GRAW HILL, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.