Varney, h. Nurse-Midwifery. Blacwell Scientific Publications.
Cita Chicago Style (17a ed.)Varney, helen. Nurse-Midwifery. Blacwell Scientific Publications.
Cita MLA (9a ed.)Varney, helen. Nurse-Midwifery. Blacwell Scientific Publications.
Precaución: Estas citas no son 100% exactas.