Gaya APA
Hill, C, E. (2004).
Helping skills ; facilitating exploration, insight and action .
Wasington,DC:
American Pschologcal ssociation.
Gaya MLA
Hill, Clara, E..
"Helping skills ; facilitating exploration, insight and action".
Wasington,DC:
American Pschologcal ssociation,
2004.
Text.