S.Mader Sylvia. (2006). Inquiry into Life (Tái bản lần thứ 11.). American: McGraw -Hill.
শিকাগো স্টাইলে সাইটেশনS.Mader Sylvia. Inquiry Into Life. Tái bản lần thứ 11. American: McGraw -Hill, 2006.
এমএলএ সাইটেশনS.Mader Sylvia. Inquiry Into Life. Tái bản lần thứ 11. American: McGraw -Hill, 2006.
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