Cite
Proceedings of the International Conference on the Psychology of Mathematics Education (PME) (11th, Montreal, Canada, July 19-25, 1987). Volumes I-III.
MLA
International Group for the Psychology of Mathematics Education., and Jacques C. Bergeron. Proceedings of the International Conference on the Psychology of Mathematics Education (PME) (11th, Montreal, Canada, July 19-25, 1987). Volumes I-III. July 1987. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=eric&AN=ED383532&authtype=sso&custid=ns315887.
APA
International Group for the Psychology of Mathematics Education., & Bergeron, J. C. (1987). Proceedings of the International Conference on the Psychology of Mathematics Education (PME) (11th, Montreal, Canada, July 19-25, 1987). Volumes I-III.
Chicago
International Group for the Psychology of Mathematics Education., and Jacques C. Bergeron. 1987. “Proceedings of the International Conference on the Psychology of Mathematics Education (PME) (11th, Montreal, Canada, July 19-25, 1987). Volumes I-III,” July. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=eric&AN=ED383532&authtype=sso&custid=ns315887.