Centre for Spatial Database Management & Solutions (Noida, India). GIS@development: South Asia's first GIS/GPS bimonthly. Centre for Spatial Database Management and Solutions.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Centre for Spatial Database Management & Solutions (Noida, India). GIS@development: South Asia's First GIS/GPS Bimonthly. Noida, India: Centre for Spatial Database Management and Solutions.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Centre for Spatial Database Management & Solutions (Noida, India). GIS@development: South Asia's First GIS/GPS Bimonthly. Centre for Spatial Database Management and Solutions.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.