LEVENO,Kenneth J. (2013). Williams manual of pregnancy complications. McGraw-Hill Book Company.
Citazione stile Chigago Style (17a edizione)LEVENO,Kenneth J. Williams Manual of Pregnancy Complications. McGraw-Hill Book Company, 2013.
Citatione MLA (9a ed.)LEVENO,Kenneth J. Williams Manual of Pregnancy Complications. McGraw-Hill Book Company, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.