Gaya APA

Bonica, John J., McDonald, John S.. (1995). Principles and practice of obstetric analgesia and anesthesia 2nd ed. (2nd Edition). : Milan ; |a New York : |b Springer, |c c2008..

Gaya Chicago

Bonica, John J., McDonald, John S.. Principles and practice of obstetric analgesia and anesthesia 2nd ed.. 2nd Edition : Milan ; |a New York : |b Springer, |c c2008., 1995. Text.

Gaya MLA

Bonica, John J., McDonald, John S.. Principles and practice of obstetric analgesia and anesthesia 2nd ed.. 2nd Edition : Milan ; |a New York : |b Springer, |c c2008., 1995. Text.

Gaya Turabian

Bonica, John J., McDonald, John S.. Principles and practice of obstetric analgesia and anesthesia 2nd ed.. 2nd Edition : Milan ; |a New York : |b Springer, |c c2008., 1995. Print.