Swetz, F., & Kao, T. I. (1977). Was Pythagoras Chinesen: An examination of right triangle theory in ancient China. Pennsylvania State University Press.
Цитирование в стиле Чикаго (17-е изд.)Swetz, Frank, и T. I. Kao. Was Pythagoras Chinesen: An Examination of Right Triangle Theory in Ancient China. University Park: Pennsylvania State University Press, 1977.
Цитирование MLA (9-е изд.)Swetz, Frank, и T. I. Kao. Was Pythagoras Chinesen: An Examination of Right Triangle Theory in Ancient China. Pennsylvania State University Press, 1977.
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