APA (7th ed.) Zitazioa
Symonds, E. M., & Symonds, I. M. (1998). Essential obstetrics and gynaecology (3rd ed.). Churchill Livingstone.
Chicago Style (17th ed.) Zitazioa
Symonds, E. M., eta Ian M. Symonds. Essential Obstetrics and Gynaecology. 3rd ed. New York: Churchill Livingstone, 1998.
MLA (9th ed.) Zitazioa
Symonds, E. M., eta Ian M. Symonds. Essential Obstetrics and Gynaecology. 3rd ed. Churchill Livingstone, 1998.
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