Williams, N. (2009). Duty and responsibility. Epitome Books.
Lua i Stíl Chicago (17ú heag.)Williams, Nancy. Duty and Responsibility. New Delhi: Epitome Books, 2009.
Lua MLA (9ú heag.)Williams, Nancy. Duty and Responsibility. Epitome Books, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.