APA:Ajay Kumar, Sumit Sharma, and Manpreet Kaur . (Volume-5, Issue-7 -(Year-2015)). Measurement of Indoor Radon Concentration in some Dwellings of Amritsar City, Punjab. Retrieved from NO
Chicago:Ajay Kumar, Sumit Sharma, and Manpreet Kaur . "Measurement of Indoor Radon Concentration in some Dwellings of Amritsar City, Punjab" Example, Volume-5-issue-7-Year-2015-2249-9954. NO.