Gaya APA
Willis, S.
(2009).
Konseling keluarga (family counseling) / Sofyan S Willis
(
1)
.
Bandung:
Galang Press.
Gaya MLA
Willis, Sofyan.
"Konseling keluarga (family counseling) / Sofyan S Willis".
1
Bandung:
Galang Press,
2009.
Text.