Gaya APA
SITUMEANG, I, V, O.
(2016).
Corporate sosial responsibility:
.
Yogyakarta:
Ekuilibria.
Gaya MLA
SITUMEANG, Ilona, Vicenovie, Oisina.
"Corporate sosial responsibility:".
Yogyakarta:
Ekuilibria,
2016.
Buku.