Collier, P. (2017). A Most Incomprehensible Thing: Notes Towards a Very Gentle Introduction to the Mathematics of Relativity (Third edition.). Incomprehensible Books.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCollier, Peter. A Most Incomprehensible Thing: Notes Towards a Very Gentle Introduction to the Mathematics of Relativity. Third edition. Harlow, England: Incomprehensible Books, 2017.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিCollier, Peter. A Most Incomprehensible Thing: Notes Towards a Very Gentle Introduction to the Mathematics of Relativity. Third edition. Incomprehensible Books, 2017.
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