APA (7e ed.) Bronvermelding

Group, E. B. C. T. C., & Clarke, M. (1996). Ovarian ablation in early breast cancer: Overview of the randomised trials. Elsevier.

Chicago (17e ed.) Bronvermelding

Group, Early Breast Cancer Trialists' Collaborative, en M. Clarke. Ovarian Ablation in Early Breast Cancer: Overview of the Randomised Trials. Elsevier, 1996.

MLA (9e ed.) Bronvermelding

Group, Early Breast Cancer Trialists' Collaborative, en M. Clarke. Ovarian Ablation in Early Breast Cancer: Overview of the Randomised Trials. Elsevier, 1996.