Barrett, R. S. (1929). The care of the unmarried mother.
Lua i Stíl Chicago (17ú heag.)Barrett, Robert South. The Care of the Unmarried Mother. Alexandria, Va, 1929.
Lua MLA (8ú heag.)Barrett, Robert South. The Care of the Unmarried Mother. 1929.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.