Elementary and Middle School Mathematics: Teaching Developmentally. Third Edition.

MLA

Van de Walle, John A. Elementary and Middle School Mathematics: Teaching Developmentally. Third Edition. 1998. 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=ED417130&authtype=sso&custid=ns315887.

APA

Van de Walle, J. A. (1998). Elementary and Middle School Mathematics: Teaching Developmentally. Third Edition.

Chicago

Van de Walle, John A. 1998. Elementary and Middle School Mathematics: Teaching Developmentally. Third Edition. 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=ED417130&authtype=sso&custid=ns315887.