Friedman, M. (1960). The covenant of peace: A personal witness / by Maurice Friedman. Pendle Hill.
Citazione stile Chigago Style (17a edizione)Friedman, Maurice. The Covenant of Peace: A Personal Witness / by Maurice Friedman. Wallingford: Pendle Hill, 1960.
Citatione MLA (8a ed.)Friedman, Maurice. The Covenant of Peace: A Personal Witness / by Maurice Friedman. Pendle Hill, 1960.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.