Peoples' News Service (PNS). (1976). Peoples' News Service. London: PNS.
Citazione stile Chigago Style (17a edizione)Peoples' News Service (PNS). Peoples' News Service. London: PNS, 1976.
Citatione MLA (8a ed.)Peoples' News Service (PNS). Peoples' News Service. London: PNS, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.