Gaya APA
Twidell,John, ., Weir, T.
(2006).
Renewable Energy Resource, Second Edition
(
2)
.
:
Tayor & Francis.
Gaya MLA
Twidell,John, ., Weir, Tony.
"Renewable Energy Resource, Second Edition".
2
:
Tayor & Francis,
2006.
Text.