Ennis, M., & Vincent, C. (1990). Obstetric accidents: A review of 64 cases.
Cita Chicago (17th ed.)Ennis, M., i C. Vincent. Obstetric Accidents: A Review of 64 Cases. 1990.
Cita MLA (9th ed.)Ennis, M., i C. Vincent. Obstetric Accidents: A Review of 64 Cases. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.