Cita APA (7th ed.)
ebrary, Inc, Campbell, S. R., & Zazkis, R. (2002). Learning and teaching number theory: Research in cognition and instruction. Ablex Pub..
Cita Chicago (17th ed.)
ebrary, Inc, Stephen R. Campbell, i Rina Zazkis. Learning and Teaching Number Theory: Research in Cognition and Instruction. Westport, Conn.: Ablex Pub., 2002.
Cita MLA (9th ed.)
ebrary, Inc, et al. Learning and Teaching Number Theory: Research in Cognition and Instruction. Ablex Pub., 2002.
Atenció: Aquestes cites poden no estar 100% correctes.