Cooper, H. M. (2006). Research questions and research designs. In P. A. Alexander, P. H. Winne, & G. Phye (Eds.), Handbook of Research in Educational Psychology, 2nd Edition (pp. 849–877).

Cooper, H. M. “Research questions and research designs.” In Handbook of Research in Educational Psychology, 2nd Edition, edited by P. A. Alexander, P. H. Winne, and G. Phye, 849–77, 2006.

Cooper HM. Research questions and research designs. In: Alexander PA, Winne PH, Phye G, editors. Handbook of Research in Educational Psychology, 2nd Edition. 2006. p. 849–77.

Cooper, H. M. “Research questions and research designs.” Handbook of Research in Educational Psychology, 2nd Edition, edited by P. A. Alexander et al., 2006, pp. 849–77.

Cooper HM. Research questions and research designs. In: Alexander PA, Winne PH, Phye G, editors. Handbook of Research in Educational Psychology, 2nd Edition. 2006. p. 849–877.