Gaya APA

Jay, G. (1974). EUCLIDEAN AND NON-EUCLIDEAN GEOMETRIES DEVELOPMENT AND HISTORY . San Francisco: W.H.Freeman and Company.

Gaya MLA

Jay, Greendberg,Marvin. "EUCLIDEAN AND NON-EUCLIDEAN GEOMETRIES DEVELOPMENT AND HISTORY". San Francisco: W.H.Freeman and Company, 1974. Text.