Cunningham, F. G. (2006). Obstetricia de Williams (22 ed.). McGraw - Hill.
Chicago-čujuhus (17. p.)Cunningham, F. Gary. Obstetricia De Williams. 22 ed. México, D.F: McGraw - Hill, 2006.
MLA-čujuhus (9. p.)Cunningham, F. Gary. Obstetricia De Williams. 22 ed. McGraw - Hill, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.