Cita APA (7a ed.)
Grossnickle, F. E., & Grossnickle, F. E. (1962). Investigating mathematics.
Cita estilo Chicago (17a ed.)
Grossnickle, Foster E., y Foster E. Grossnickle. Investigating Mathematics. 1962.
Cita MLA (9a ed.)
Grossnickle, Foster E., y Foster E. Grossnickle. Investigating Mathematics. 1962.
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