Barker, C., Pistrang, N., & Elliott, R. (2016). Research methods in clinical psychology: An introduction for students and practitioners (Third edition.). John Wiley & Sons, Ltd.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBarker, Chris, Nancy Pistrang, এবং Robert Elliott. Research Methods in Clinical Psychology: An Introduction for Students and Practitioners. Third edition. Chichester, West Sussex, [England]: John Wiley & Sons, Ltd, 2016.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিBarker, Chris, et al. Research Methods in Clinical Psychology: An Introduction for Students and Practitioners. Third edition. John Wiley & Sons, Ltd, 2016.
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