Παραπομπή APA

O'shaughness, J. (1972). Inquiry and decision. George Allen & Unwin.

Παραπομπή Chicago Style

O'shaughness, John. Inquiry and Decision. London: George Allen & Unwin, 1972.

Παραπομπή MLA

O'shaughness, John. Inquiry and Decision. George Allen & Unwin, 1972.