Craig Roberts. (2019). Psychology for Cambridge International AS and A Level: For the 9698 syllabus. Oxford University Press.
Chicago-referens (17:e uppl.)Craig Roberts. Psychology for Cambridge International AS and A Level: For the 9698 Syllabus. Oxford University Press, 2019.
MLA-referens (9:e uppl.)Craig Roberts. Psychology for Cambridge International AS and A Level: For the 9698 Syllabus. Oxford University Press, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.