Gaya APA
Sibley, T, Q. (2015).
Thinking Geometrically:
A Survey of Geometries .
Washington D.C.:
The Mathematical Association of America.
Gaya MLA
Sibley, Thomas, Q..
"Thinking Geometrically:
A Survey of Geometries".
Washington D.C.:
The Mathematical Association of America,
2015.
Text.