Gaya APA
Darmawangsa, D., Setiawan, D. (2016).
Warrior : The Arst of Winning the Battle of Success .
Jakarta:
PT ELex Media Komputindo.
Gaya MLA
Darmawangsa, Darmadi., Setiawan, Davit.
"Warrior : The Arst of Winning the Battle of Success".
Jakarta:
PT ELex Media Komputindo,
2016.
Book.