APA
Eric A. P. Steegers, . (2005). British Journal Of Obstetrics And Gynaecology. U. S. A: Blackwell Publising.
Chicago
Eric A. P. Steegers, . 2005. British Journal Of Obstetrics And Gynaecology. U. S. A: Blackwell Publising.
Harvard
Eric A. P. Steegers, . (2005). British Journal Of Obstetrics And Gynaecology. U. S. A: Blackwell Publising.
MLA
Eric A. P. Steegers, . British Journal Of Obstetrics And Gynaecology. U. S. A: Blackwell Publising. 2005.