Gaya APA
Widodo, Y. Triyoga Budi. (2006).
Smart brain Solution .
SURABAYA:
Pena Publisher.
Gaya Chicago
Widodo, Y. Triyoga Budi.
Smart brain Solution.
SURABAYA:
Pena Publisher,
2006.
Text.
Gaya MLA
Widodo, Y. Triyoga Budi.
Smart brain Solution.
SURABAYA:
Pena Publisher,
2006.
Text.
Gaya Turabian
Widodo, Y. Triyoga Budi.
Smart brain Solution.
SURABAYA:
Pena Publisher,
2006.
Print.