Gaya APA
Rif'an, A, R. (2015).
Muslim entrepreneur : i take risk i work hard i play smart i do my passion .
Jakarta:
Elex Media Komputindo.
Gaya MLA
Rif'an, Ahmad, Rifa'i.
"Muslim entrepreneur : i take risk i work hard i play smart i do my passion".
Jakarta:
Elex Media Komputindo,
2015.
Text.