Cita APA
Spitzer, H. F. Enrichment of Arithmetic (1a.ed.). Webster Divsion McGraw - Hill.
Citación estilo Chicago
Spitzer, Herbert F. Enrichment of Arithmetic. 1a.ed. Buenos Aires: Webster Divsion McGraw - Hill.
Cita MLA
Spitzer, Herbert F. Enrichment of Arithmetic. 1a.ed. Webster Divsion McGraw - Hill.
Warning: These citations may not always be 100% accurate.