Gaya APA
WALKER, J, R. (1981).
EXPLORING POWER TECHNOLOGY BASIC FUNDAMENTAL .
United States of America:
THE GOODHEART-WILLCOX.
Gaya MLA
WALKER, JOHN, R..
"EXPLORING POWER TECHNOLOGY BASIC FUNDAMENTAL".
United States of America:
THE GOODHEART-WILLCOX,
1981.
Text.