CUNNINGHAM, F. (2014). Williams Obstetri. McGraw-Hill Book Company.
Chicago-čujuhus (17. p.)CUNNINGHAM, F.Gary. Williams Obstetri. McGraw-Hill Book Company, 2014.
MLA-čujuhus (9. p.)CUNNINGHAM, F.Gary. Williams Obstetri. McGraw-Hill Book Company, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.