Cita APA (7th ed.)

Dubinsky, E., & Kaput, J. J. (1994). Research issues in undergraduate mathematics learning: Preliminary analyses and results. Mathematical Association of America.

Cita Chicago (17th ed.)

Dubinsky, Ed, i James J. Kaput. Research Issues in Undergraduate Mathematics Learning: Preliminary Analyses and Results. [Washington, D.C.]: Mathematical Association of America, 1994.

Cita MLA (8th ed.)

Dubinsky, Ed, i James J. Kaput. Research Issues in Undergraduate Mathematics Learning: Preliminary Analyses and Results. Mathematical Association of America, 1994.