Eastman. (1961). Williams obstetrics. Appleton Century-crofts.
Chicago-čujuhus (17. p.)Eastman. Williams Obstetrics. Appleton Century-crofts, 1961.
MLA-čujuhus (9. p.)Eastman. Williams Obstetrics. Appleton Century-crofts, 1961.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.