G. Bluman Allan. (2007). Elemetary Statistics A Step by Step Approach (Tái bản lần thứ 6.). America: Mc Graw Hill.
শিকাগো স্টাইলে সাইটেশনG. Bluman Allan. Elemetary Statistics A Step By Step Approach. Tái bản lần thứ 6. America: Mc Graw Hill, 2007.
এমএলএ সাইটেশনG. Bluman Allan. Elemetary Statistics A Step By Step Approach. Tái bản lần thứ 6. America: Mc Graw Hill, 2007.
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