Gaya APA
Engineering and Technology Books. (1987).
:
English Language Book Society.
Gaya Chicago
Engineering and Technology Books.
.
:
English Language Book Society,
1987.
Text.
Gaya MLA
Engineering and Technology Books.
.
:
English Language Book Society,
1987.
Text.
Gaya Turabian
Engineering and Technology Books.
:
English Language Book Society,
1987.
Print.