Kalra, S. (2017). Study of soil physico-chemical properties including heavy metals from the dumping sites, agricultural land and tree plantation in Doon Valley. Forest Research Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kalra, Swati. Study of Soil Physico-chemical Properties Including Heavy Metals from the Dumping Sites, Agricultural Land and Tree Plantation in Doon Valley. Dehradun: Forest Research Institute, 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Kalra, Swati. Study of Soil Physico-chemical Properties Including Heavy Metals from the Dumping Sites, Agricultural Land and Tree Plantation in Doon Valley. Forest Research Institute, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.