Gaya APA
Ludino, L.
(2008).
Getting Into Your Customer's Heart
(
Ed I)
.
Jakarta:
PT Elex Media Komputindo.
Gaya MLA
Ludino, Luthfie.
"Getting Into Your Customer's Heart".
Ed I
Jakarta:
PT Elex Media Komputindo,
2008.
Buku Fiksi.