Gaya APA
Basic Arc Welding. (1971).
New York:
Central Technical High School.
Gaya Chicago
Basic Arc Welding.
.
New York:
Central Technical High School,
1971.
.
Gaya MLA
Basic Arc Welding.
.
New York:
Central Technical High School,
1971.
.
Gaya Turabian
Basic Arc Welding.
New York:
Central Technical High School,
1971.
.