Penggayaan APA
PEIRCE, WILLIAM SPANGAR. (1986).
Economics of the energy industries .
California:
Wadsworth.
Chicago Style
PEIRCE, WILLIAM SPANGAR.
Economics of the energy industries.
California:
Wadsworth,
1986.
Text.
MLA Style
PEIRCE, WILLIAM SPANGAR.
Economics of the energy industries.
California:
Wadsworth,
1986.
Text.
Turabian Style
PEIRCE, WILLIAM SPANGAR.
Economics of the energy industries.
California:
Wadsworth,
1986.
Print.