Gaya APA
Madino, O., Harfi, A.
(2007).
The Greatest Salesman
(
Cet. 1)
.
Yogyakarta:
Olongia.
Gaya MLA
Madino, Og., Harfi, Alfiyan.
"The Greatest Salesman".
Cet. 1
Yogyakarta:
Olongia,
2007.
Text.