Collier, P. (2017). A Most Incomprehensible Thing: Notes Towards a Very Gentle Introduction to the Mathematics of Relativity (Third edition.). Incomprehensible Books.
Lua i Stíl Chicago (17ú heag.)Collier, Peter. A Most Incomprehensible Thing: Notes Towards a Very Gentle Introduction to the Mathematics of Relativity. Third edition. Harlow, England: Incomprehensible Books, 2017.
Lua MLA (9ú heag.)Collier, 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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