APA aipamena

Mitchell, E. J. (1974). Vertical integration in the oil industry. Washington: The AEI National Energy project.

Chicago Style aipamena

Mitchell, Edward J. Vertical Integration in the Oil Industry. Washington: The AEI National Energy project, 1974.

MLA aipamena

Mitchell, Edward J. Vertical Integration in the Oil Industry. Washington: The AEI National Energy project, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.