Gaya APA
L., L, R.
(1973).
Welding and Welding Technology
(
Cetakan Pertama)
.
new york:
McGraw-Hill Book Company.
Gaya MLA
L., Little, Richard.
"Welding and Welding Technology".
Cetakan Pertama
new york:
McGraw-Hill Book Company,
1973.
Text.