APA Citation

Ader, H. J., & Mellenbergh, G. J. (1999). Research methodology in the life, behavioural and social sciences. London ; Thousand Oaks, Calif.: Sage.

Chicago Style Citation

Ader, Herman J., and G. J. Mellenbergh. Research Methodology in the Life, Behavioural and Social Sciences. London ; Thousand Oaks, Calif.: Sage, 1999.

MLA Citation

Ader, Herman J., and G. J. Mellenbergh. Research Methodology in the Life, Behavioural and Social Sciences. London ; Thousand Oaks, Calif.: Sage, 1999.

Warning: These citations may not always be 100% accurate.