Παραπομπή APA

Berger, R. (1973). Impeachment: The constitutional problems. Harvard University Press.

Παραπομπή Chicago Style

Berger, Raoul. Impeachment: The Constitutional Problems. Cambridge: Harvard University Press, 1973.

Παραπομπή MLA

Berger, Raoul. Impeachment: The Constitutional Problems. Harvard University Press, 1973.