"Russell, J. G. (2022). Cambridge International AS & A Level Psychology Coursebook with Digital Access (2 Years) (2.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)"Russell, Julia; Gauntlett. Cambridge International AS & A Level Psychology Coursebook with Digital Access (2 Years). 2. Cambridge University Press, 2022.
Lua MLA (9ú heag.)"Russell, Julia; Gauntlett. Cambridge International AS & A Level Psychology Coursebook with Digital Access (2 Years). 2. Cambridge University Press, 2022.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.