APA aipamena

Eastland, T. (1992). Energy in the executive: The case for the strong presidency. Free Press.

Chicago Style aipamena

Eastland, Terry. Energy in the Executive: The Case for the Strong Presidency. New York: Free Press, 1992.

MLA aipamena

Eastland, Terry. Energy in the Executive: The Case for the Strong Presidency. Free Press, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.