Hillier, S., & Barrow, G. M. (2007). Aging, the individual, and society (8th ed.). Thomson/Wadsworth.
Citazione stile Chigago Style (17a edizione)Hillier, Susan, e Georgia M. Barrow. Aging, the Individual, and Society. 8th ed. Belmont, Calif: Thomson/Wadsworth, 2007.
Citatione MLA (9a ed.)Hillier, Susan, e Georgia M. Barrow. Aging, the Individual, and Society. 8th ed. Thomson/Wadsworth, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.