Cozby, P. C., & Bates, S. C. (2018). Methods in Behavioral Research (13th ed.). McGraw Hill Education (India) Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Cozby, Paul C., agus Scott C. Bates. Methods in Behavioral Research. 13th ed. Chennai: McGraw Hill Education (India) Pvt. Ltd, 2018.
Lua MLA (9ú heag.)Cozby, Paul C., agus Scott C. Bates. Methods in Behavioral Research. 13th ed. McGraw Hill Education (India) Pvt. Ltd, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.