Nowell, R. (1974). Fear of death. Social Communications Center Development and Research Foundation.
Citazione stile Chigago Style (17a edizione)Nowell, Robert. Fear of Death. Manila: Social Communications Center Development and Research Foundation, 1974.
Citatione MLA (9a ed.)Nowell, Robert. Fear of Death. Social Communications Center Development and Research Foundation, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.