Chalmers, B. E. (1979). The role of "stressful" life events in the development of complications of pregnancy.
Lua i Stíl Chicago (17ú heag.)Chalmers, Beverley Elizabeth. The Role of "Stressful" Life Events in the Development of Complications of Pregnancy. 1979.
Lua MLA (8ú heag.)Chalmers, Beverley Elizabeth. The Role of "Stressful" Life Events in the Development of Complications of Pregnancy. 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.