Varney, h. Nurse-Midwifery. Blacwell Scientific Publications.
Cita Chicago (17th ed.)Varney, helen. Nurse-Midwifery. Blacwell Scientific Publications.
Cita MLA (9th ed.)Varney, helen. Nurse-Midwifery. Blacwell Scientific Publications.
Atenció: Aquestes cites poden no estar 100% correctes.