Gaya APA
Kurniawan, N. (2016).
Diehard Antrepreneur : believe in tomorrow ver . 02 (Edisi 2).
Jakarta:
Elex Media Komputindo.
Gaya MLA
Kurniawan, Nicholas.
"Diehard Antrepreneur : believe in tomorrow ver . 02".
Edisi 2
Jakarta:
Elex Media Komputindo,
2016.
.