CUNNINGHAM, F. (2014). Williams Obstetri. McGraw-Hill Book Company.
Chicago Style (17th ed.) CitationCUNNINGHAM, F.Gary. Williams Obstetri. McGraw-Hill Book Company, 2014.
MLA (9th ed.) CitationCUNNINGHAM, F.Gary. Williams Obstetri. McGraw-Hill Book Company, 2014.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.