Gaya APA
Alternative Energy Sources : A Strategy Planning Guide. (1981).
London:
An Aspen Publication.
Gaya Chicago
Alternative Energy Sources : A Strategy Planning Guide.
.
London:
An Aspen Publication,
1981.
.
Gaya MLA
Alternative Energy Sources : A Strategy Planning Guide.
.
London:
An Aspen Publication,
1981.
.
Gaya Turabian
Alternative Energy Sources : A Strategy Planning Guide.
London:
An Aspen Publication,
1981.
.