Gaya APA
Black, S, W., Po¨ssel, P. (2012).
The Combined Effects of Self-Referent Information Processing and Ruminative Responses on Adolescent Depression .
New York:
Springer Science+Business Media.
Gaya MLA
Black, Stephanie, Winkeljohn., Po¨ssel, Patrick.
"The Combined Effects of Self-Referent Information Processing and Ruminative Responses on Adolescent Depression".
New York:
Springer Science+Business Media,
2012.
e-journal.