Gaya APA
Kurniawan, C.
(2013).
it's Easy Building Up A Business
(
III)
.
Jakarta:
PT Gramedi Pustaka Utama.
Gaya MLA
Kurniawan, Cahyadi.
"it's Easy Building Up A Business".
III
Jakarta:
PT Gramedi Pustaka Utama,
2013.
Text.