Παραπομπή σε μορφή APA (7η εκδ.)

Chalmers, B. E. (1979). The role of "stressful" life events in the development of complications of pregnancy.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Chalmers, Beverley Elizabeth. The Role of "Stressful" Life Events in the Development of Complications of Pregnancy. 1979.

Παραπομπή σε μορφή MLA (8th εκδ.)

Chalmers, Beverley Elizabeth. The Role of "Stressful" Life Events in the Development of Complications of Pregnancy. 1979.