Παραπομπή APA

Thal, H. V. (1974). The Prime Ministers. Introduction by G.W.Joues. George Allen & Unwin.

Παραπομπή Chicago Style

Thal, Herbert Van. The Prime Ministers. Introduction by G.W.Joues. London: George Allen & Unwin, 1974.

Παραπομπή MLA

Thal, Herbert Van. The Prime Ministers. Introduction by G.W.Joues. George Allen & Unwin, 1974.