Penggayaan APA
BOOK of future of energy. ([s.a]).
[s.l]:
[s.n].
Chicago Style
BOOK of future of energy.
.
[s.l]:
[s.n],
[s.a].
Text.
MLA Style
BOOK of future of energy.
.
[s.l]:
[s.n],
[s.a].
Text.
Turabian Style
BOOK of future of energy.
[s.l]:
[s.n],
[s.a].
Print.