Gaya APA
Peirce, William Spangar. (1986).
Economics of the energy industries .
Belmont, California:
Wadsworth.
Gaya Chicago
Peirce, William Spangar.
Economics of the energy industries.
Belmont, California:
Wadsworth,
1986.
Text.
Gaya MLA
Peirce, William Spangar.
Economics of the energy industries.
Belmont, California:
Wadsworth,
1986.
Text.
Gaya Turabian
Peirce, William Spangar.
Economics of the energy industries.
Belmont, California:
Wadsworth,
1986.
Print.