Macdonald, R. R. (1971). Scientific basis of obstetrics and gynaecology. Churchill.
Citazione stile Chigago Style (17a edizione)Macdonald, Ronald R. Scientific Basis of Obstetrics and Gynaecology. London: Churchill, 1971.
Citatione MLA (8a ed.)Macdonald, Ronald R. Scientific Basis of Obstetrics and Gynaecology. Churchill, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.