APA-Zitierstil (7. Ausg.)

Clarke, D. (2012). OCR A2 psychology, Unit G544, Approaches and research methods in psychology (New ed.). Philip Allan.

Chicago-Zitierstil (17. Ausg.)

Clarke, David. OCR A2 Psychology, Unit G544, Approaches and Research Methods in Psychology. New ed. Deddington, Oxfordshire: Philip Allan, 2012.

MLA-Zitierstil (9. Ausg.)

Clarke, David. OCR A2 Psychology, Unit G544, Approaches and Research Methods in Psychology. New ed. Philip Allan, 2012.