APA aipamena

PEIRCE, W. S. Economics Of The Energy Industries William Spangar Peirce. s.n.

Chicago Style aipamena

PEIRCE, William Spangar. Economics Of The Energy Industries William Spangar Peirce. s.n.

MLA aipamena

PEIRCE, William Spangar. Economics Of The Energy Industries William Spangar Peirce. s.n.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.