Gaya APA
Rich, B., A, I, S, P. (2000).
Theory and problems of geometry includes plane, analytic, and transformational ì geometries .
New York:
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Gaya MLA
Rich, Barnett., A, I., Schmidt,, Philip.
"Theory and problems of geometry includes plane, analytic, and transformational ì geometries".
New York:
,
2000.
Text.