APA

Norwitz E. R., Schorge J. O., . (2006). Obstetrics and Gynaecology at a Glance. Malden: Blackwell Publishing Ltd.

Chicago

Norwitz Errol R, Schorge John O, . 2006. Obstetrics and Gynaecology at a Glance. Malden: Blackwell Publishing Ltd.

Harvard

Norwitz E. R., Schorge J. O., . (2006). Obstetrics and Gynaecology at a Glance. Malden: Blackwell Publishing Ltd.

MLA

Norwitz Errol R, Schorge John O, . Obstetrics and Gynaecology at a Glance. Malden: Blackwell Publishing Ltd. 2006.