Gaya APA
El-Fiky, I. (2011).
Sepuluh kunci kesuksesan : 10 keys to ultimate success (cet.1).
Jakarta Selatan:
Tugu Publisher.
Gaya MLA
El-Fiky, Ibrahim.
"Sepuluh kunci kesuksesan : 10 keys to ultimate success".
cet.1
Jakarta Selatan:
Tugu Publisher,
2011.
SABIT CORNER.