APA引文

Wieringa-de Waard, M., Ankum, W. M., Bonsel, G. J., Vos, J., Biewenga, P., & Bindels, P. J. (2003). The natural course of spontaneous miscarriage: Analysis of signs and symptoms in 188 expectantly managed women.

Citação norma Chicago

Wieringa-de Waard, Margreet, Willem M. Ankum, Gouke J. Bonsel, Jeroen Vos, Petra Biewenga, and Patrick J. Bindels. The Natural Course of Spontaneous Miscarriage: Analysis of Signs and Symptoms in 188 Expectantly Managed Women. 2003.

MLA引文

Wieringa-de Waard, Margreet, et al. The Natural Course of Spontaneous Miscarriage: Analysis of Signs and Symptoms in 188 Expectantly Managed Women. 2003.

警告:這些引文格式不一定是100%准確.