Gaya APA
SHEAHAN, Richard T.. (1981).
Alternative Energy Sources : a Strategy Planning Guide .
London:
An Aspen Publ.
Gaya Chicago
SHEAHAN, Richard T..
Alternative Energy Sources : a Strategy Planning Guide.
London:
An Aspen Publ,
1981.
Text.
Gaya MLA
SHEAHAN, Richard T..
Alternative Energy Sources : a Strategy Planning Guide.
London:
An Aspen Publ,
1981.
Text.
Gaya Turabian
SHEAHAN, Richard T..
Alternative Energy Sources : a Strategy Planning Guide.
London:
An Aspen Publ,
1981.
Print.