Gaya APA
Aiken, L, R., Groth-Marnat, G. (2006).
Psychological : Testing and Assessment Twelfth Edition (Edisi ke 12).
United States:
Pearson.
Gaya MLA
Aiken, Lewis, R.., Groth-Marnat, Gary.
"Psychological : Testing and Assessment Twelfth Edition".
Edisi ke 12
United States:
Pearson,
2006.
Text.