Citação norma APA
ebrary, Inc, Campbell, S. R., & Zazkis, R. (2002). Learning and teaching number theory: Research in cognition and instruction. Ablex Pub..
Citação norma Chicago
ebrary, Inc, Stephen R. Campbell, and Rina Zazkis. Learning and Teaching Number Theory: Research in Cognition and Instruction. Westport, Conn.: Ablex Pub., 2002.
Citação norma MLA
ebrary, Inc, et al. Learning and Teaching Number Theory: Research in Cognition and Instruction. Ablex Pub., 2002.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.