Cite
The validity of comparative educational studies
MLA
Kees de Glopper, et al. The Validity of Comparative Educational Studies. Jan. 1999. 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=edsair&AN=edsair.dedup.wf.001..953ad305525a3effb49cdf61f0f564e6&authtype=sso&custid=ns315887.
APA
Kees de Glopper, Bechger, T. M., Den Wittenboer, G., & Hox, J. J. (1999). The validity of comparative educational studies.
Chicago
Kees de Glopper, T. M. Bechger, G. Den Wittenboer, and J. J. Hox. 1999. “The Validity of Comparative Educational Studies,” January. 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=edsair&AN=edsair.dedup.wf.001..953ad305525a3effb49cdf61f0f564e6&authtype=sso&custid=ns315887.