APA citiranje

Akinyanju, O., & Ladapo, F. (1979). Cholelithiasis and biliary tract disease in sickle-cell disease in Nigerians. BMJ Group.

Citação norma Chicago

Akinyanju, O., and F. Ladapo. Cholelithiasis and Biliary Tract Disease in Sickle-cell Disease in Nigerians. BMJ Group, 1979.

MLA citiranje

Akinyanju, O., and F. Ladapo. Cholelithiasis and Biliary Tract Disease in Sickle-cell Disease in Nigerians. BMJ Group, 1979.