Cita APA (7th ed.)

RIEDESEL, C. (1973). Guiding discovery in elementary school mathematics. Prentice Hall.

Cita Chicago (17th ed.)

RIEDESEL, C.Alan. Guiding Discovery in Elementary School Mathematics. Englewood cliffs: Prentice Hall, 1973.

Cita MLA (9th ed.)

RIEDESEL, C.Alan. Guiding Discovery in Elementary School Mathematics. Prentice Hall, 1973.