Brown, J. D. (1988). Understanding research in second language learning: A teacher's guide to statistics and research design. Cambridge University Press.

Brown, James Dean. Understanding Research in Second Language Learning: A Teacher's Guide to Statistics and Research Design. Cambridge [England] ; New York: Cambridge University Press, 1988.

Brown, James Dean. Understanding Research in Second Language Learning: A Teacher's Guide to Statistics and Research Design. Cambridge University Press, 1988.