APA (7th ed.) Zitazioa
Puig, L., & Gutiérrez, A. (1996). Proceedings of the 20th. Conference of the International Group for the Psychology of Mathematics Education: Vol.2. Universitat de Valencia.
Chicago Style (17th ed.) Zitazioa
Puig, Luis, eta Angel Gutiérrez. Proceedings of the 20th. Conference of the International Group for the Psychology of Mathematics Education: Vol.2. Valencia: Universitat de Valencia, 1996.
MLA (9th ed.) Zitazioa
Puig, Luis, eta Angel Gutiérrez. Proceedings of the 20th. Conference of the International Group for the Psychology of Mathematics Education: Vol.2. Universitat de Valencia, 1996.
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