Bourne, A. W., & Williams, L. H. W. (1939). Recent advances in obstetrics and gynaecology (Fourth edition.). P. Blakiston's Son & Co. Inc..
Chicago-viite (17. p.)Bourne, Aleck William, ja Leslie H. W. Williams. Recent Advances in Obstetrics and Gynaecology. Fourth edition. Philadelphia: P. Blakiston's Son & Co. Inc., 1939.
MLA-viite (8. p.)Bourne, Aleck William, ja Leslie H. W. Williams. Recent Advances in Obstetrics and Gynaecology. Fourth edition. P. Blakiston's Son & Co. Inc., 1939.
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