(2014). RRB Junior engineer recruitment examination 2013: Electronics & telecommunication engineering. CL Media.
শিকাগো স্টাইলে সাইটেশনRRB Junior Engineer Recruitment Examination 2013: Electronics & Telecommunication Engineering. Roorkee: CL Media, 2014.
এমএলএ সাইটেশনRRB Junior Engineer Recruitment Examination 2013: Electronics & Telecommunication Engineering. CL Media, 2014.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.