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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAmerican Psychological Association. Publication Manual of the American Psychological Association. Sixth edition. Washington, DC: American Psychological Association, 2010.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিAmerican Psychological Association. Publication Manual of the American Psychological Association. Sixth edition. American Psychological Association, 2010.
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