Dyfyniad APA

Gaitskell, K., Green, J., Pirie, K., Reeves, G., & Beral, V. (2015). Tubal ligation and ovarian cancer risk in a large cohort: Substantial variation by histological type. Wiley.

Dyfyniad Arddull Chicago

Gaitskell, K., J. Green, K. Pirie, G. Reeves, and V. Beral. Tubal Ligation and Ovarian Cancer Risk in a Large Cohort: Substantial Variation by Histological Type. Wiley, 2015.

Dyfyniad MLA

Gaitskell, K., et al. Tubal Ligation and Ovarian Cancer Risk in a Large Cohort: Substantial Variation by Histological Type. Wiley, 2015.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.