(2007). Aligning Science Assessment Standards: Oklahoma & the 2009 National Assessment of Educational Progress. Regional Educational Laboratory Program.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAligning Science Assessment Standards: Oklahoma & the 2009 National Assessment of Educational Progress. Regional Educational Laboratory Program, 2007.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAligning Science Assessment Standards: Oklahoma & the 2009 National Assessment of Educational Progress. Regional Educational Laboratory Program, 2007.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.