Παραπομπή APA

Benn, S. I., & Peters, R. (1959). Social Principles and the Democratic State. Allen & Unwin.

Παραπομπή Chicago Style

Benn, S I., και R.S Peters. Social Principles and the Democratic State. London: Allen & Unwin, 1959.

Παραπομπή MLA

Benn, S I., και R.S Peters. Social Principles and the Democratic State. Allen & Unwin, 1959.