APA
John M. Grant, . (1999). British Journal Of Obstetrics And Gynaecology. U. S. A: Blackwell Science Publication.
Chicago
John M. Grant, . 1999. British Journal Of Obstetrics And Gynaecology. U. S. A: Blackwell Science Publication.
Harvard
John M. Grant, . (1999). British Journal Of Obstetrics And Gynaecology. U. S. A: Blackwell Science Publication.
MLA
John M. Grant, . British Journal Of Obstetrics And Gynaecology. U. S. A: Blackwell Science Publication. 1999.