Cunningham, f. g. (2010). Williams Obstetrics. McGraw-Hill Book Company.
Chicago-čujuhus (17. p.)Cunningham, f. gary. Williams Obstetrics. McGraw-Hill Book Company, 2010.
MLA-čujuhus (9. p.)Cunningham, f. gary. Williams Obstetrics. McGraw-Hill Book Company, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.