Παραπομπή APA

Benn,S I, & Peters,R S. (1977). Social principles and the democratic state. George Allen & Unwin.

Παραπομπή Chicago Style

Benn,S I, και Peters,R S. Social Principles and the Democratic State. London: George Allen & Unwin, 1977.

Παραπομπή MLA

Benn,S I, και Peters,R S. Social Principles and the Democratic State. George Allen & Unwin, 1977.