APA-čujuhus (7. p.)

Negri, E., Tzonou, A., Beral, V., Lagiou, P., Trichopoulos, D., Parazzini, F., . . . La Vecchia, C. (1999). Hormonal therapy for menopause and ovarian cancer in a collaborative re-analysis of European studies.

Chicago-čujuhus (17. p.)

Negri, E., A. Tzonou, V. Beral, P. Lagiou, D. Trichopoulos, F. Parazzini, S. Franceschi, M. Booth, juo C. La Vecchia. Hormonal Therapy for Menopause and Ovarian Cancer in a Collaborative Re-analysis of European Studies. 1999.

MLA-čujuhus (9. p.)

Negri, E., et al. Hormonal Therapy for Menopause and Ovarian Cancer in a Collaborative Re-analysis of European Studies. 1999.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.