Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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