Gaya APA
DeGunther, R.
(2009).
(E-BOOK Teknik Mesin) Alternative Energy For Dummies
.
USA:
Wiley Publishing, Inc.,.
Gaya MLA
DeGunther, Rik.
"(E-BOOK Teknik Mesin) Alternative Energy For Dummies".
USA:
Wiley Publishing, Inc.,,
2009.
Computer File.