Penggayaan APA
Houghton, Graham, Julia Wakefield. (s.a).
Energy and natural resources .
Australia:
Macmillan Australia.
Chicago Style
Houghton, Graham, Julia Wakefield.
Energy and natural resources.
Australia:
Macmillan Australia,
s.a.
Text.
MLA Style
Houghton, Graham, Julia Wakefield.
Energy and natural resources.
Australia:
Macmillan Australia,
s.a.
Text.
Turabian Style
Houghton, Graham, Julia Wakefield.
Energy and natural resources.
Australia:
Macmillan Australia,
s.a.
Print.