Tham khảo Khối_tròn_xoay

Tài liệu tham khảo

WikiPedia: Khối_tròn_xoay http://www.cliffsnotes.com/study_guide/topicArticl... //books.google.com/books?id=Ag26M8TII6oC&pg=PA244 http://mathworld.wolfram.com/.html https://books.google.com/books?id=V_WxjYMKuUAC&pg=... https://books.google.com/books?id=oQ1y1HCpeowC&pg=... https://d-nb.info/gnd/4136951-8 https://archive.org/details/schaumsoutlinebe00mend https://archive.org/details/schaumsoutlinebe00mend... https://web.archive.org/web/20120319195953/http://... https://www.wikidata.org/wiki/Q725939#identifiers