Gaya APA
Freris, L.L. (1990).
Wind energy conversion systems .
New York:
Prentice Hall.
Gaya Chicago
Freris, L.L.
Wind energy conversion systems.
New York:
Prentice Hall,
1990.
.
Gaya MLA
Freris, L.L.
Wind energy conversion systems.
New York:
Prentice Hall,
1990.
.
Gaya Turabian
Freris, L.L.
Wind energy conversion systems.
New York:
Prentice Hall,
1990.
.