Dyfyniad APA

Kayem, G., Kurinczuk, J., Lewis, G., Golightly, S., Brocklehurst, P., & Knight, M. (2011). Risk factors for progression from severe maternal morbidity to death: A national cohort study. Public Library of Science.

Dyfyniad Arddull Chicago

Kayem, G., J. Kurinczuk, G. Lewis, S. Golightly, P. Brocklehurst, and M. Knight. Risk Factors for Progression from Severe Maternal Morbidity to Death: A National Cohort Study. Public Library of Science, 2011.

Dyfyniad MLA

Kayem, G., et al. Risk Factors for Progression from Severe Maternal Morbidity to Death: A National Cohort Study. Public Library of Science, 2011.

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