APA-referens (7:e uppl.)

Schweigert, W. A. (1998). Research methods in psychology: A handbook. Brooks/Cole.

Chicago-referens (17:e uppl.)

Schweigert, Wendy A. Research Methods in Psychology: A Handbook. Pacific Grove, Calif: Brooks/Cole, 1998.

MLA-referens (9:e uppl.)

Schweigert, Wendy A. Research Methods in Psychology: A Handbook. Brooks/Cole, 1998.