Gaya APA
Kerrod, R.
(1991).
Macmillan encyclopedia of science: industry vol. 8
(
8)
.
New York:
Macmillan Reference USA.
Gaya MLA
Kerrod, Robin.
"Macmillan encyclopedia of science: industry vol. 8".
8
New York:
Macmillan Reference USA,
1991.
Text.