Duck, S. (2007). Human relationships Steve Duck. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Duck, Steve. Human Relationships Steve Duck. Sage Publications, 2007.
Lua MLA (8ú heag.)Duck, Steve. Human Relationships Steve Duck. Sage Publications, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.