Ruiz, D. S. (2004). Amazing grace: African American grandmothers as caregivers and conveyers of traditional values. Praeger.
Lua i Stíl Chicago (17ú heag.)Ruiz, Dorothy S. Amazing Grace: African American Grandmothers as Caregivers and Conveyers of Traditional Values. Westport, Conn.: Praeger, 2004.
Lua MLA (9ú heag.)Ruiz, Dorothy S. Amazing Grace: African American Grandmothers as Caregivers and Conveyers of Traditional Values. Praeger, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.