Gaya APA
Energy and power. (1971).
San Fransisco:
W.H. Freeman.
Gaya Chicago
Energy and power.
.
San Fransisco:
W.H. Freeman,
1971.
Text.
Gaya MLA
Energy and power.
.
San Fransisco:
W.H. Freeman,
1971.
Text.
Gaya Turabian
Energy and power.
San Fransisco:
W.H. Freeman,
1971.
Print.