Gaya APA
Hofman, Harm, Harun. (1987).
Energi angin .
[S.l.]:
Bina Cipta.
Gaya Chicago
Hofman, Harm, Harun.
Energi angin.
[S.l.]:
Bina Cipta,
1987.
Text.
Gaya MLA
Hofman, Harm, Harun.
Energi angin.
[S.l.]:
Bina Cipta,
1987.
Text.
Gaya Turabian
Hofman, Harm, Harun.
Energi angin.
[S.l.]:
Bina Cipta,
1987.
Print.