Gaya APA
SOMMERS-FLANAGAN, J., SOMMERS-FLANAGAN, R. (2015).
Counseling and psychotherapy theories in context and practice : (2nd ed.).
NJ:
Wiley.
Gaya MLA
SOMMERS-FLANAGAN, John., SOMMERS-FLANAGAN, Rita.
"Counseling and psychotherapy theories in context and practice :".
2nd ed.
NJ:
Wiley,
2015.
Buku.