Gale Group, Reis, H. T., & Sprecher, S. (2009). Encyclopedia of human relationships. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Gale Group, Harry T. Reis, agus Susan Sprecher. Encyclopedia of Human Relationships. Thousand Oaks, Calif: Sage Publications, 2009.
Lua MLA (9ú heag.)Gale Group, et al. Encyclopedia of Human Relationships. Sage Publications, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.