Gaya APA
FLORENTINA, I., [ed.], O, H.
(2007).
Being a happy marketing executive
.
Yogyakarta:
Andi.
Gaya MLA
FLORENTINA, Ika., [ed.], OKTAVIANI, HS..
"Being a happy marketing executive".
Yogyakarta:
Andi,
2007.
Buku.