Gaya APA
world congress on engineering and computer sciences 2011. (2011).
san fransiso:
IA ENG.
Gaya Chicago
world congress on engineering and computer sciences 2011.
volume 2.
san fransiso:
IA ENG,
2011.
Text.
Gaya MLA
world congress on engineering and computer sciences 2011.
volume 2.
san fransiso:
IA ENG,
2011.
Text.
Gaya Turabian
world congress on engineering and computer sciences 2011.
san fransiso:
IA ENG,
2011.
Print.