Cita APA (7a ed.)
World Health Organization & Cook, J. (1992). Surgery at the district hospital: Obstetrics, gynaecology, orthopaedics and traumatology. OPS.
Cita Chicago Style (17a ed.)
World Health Organization y John Cook. Surgery at the District Hospital: Obstetrics, Gynaecology, Orthopaedics and Traumatology. Washington, D.C.: OPS, 1992.
Cita MLA (9a ed.)
World Health Organization y John Cook. Surgery at the District Hospital: Obstetrics, Gynaecology, Orthopaedics and Traumatology. OPS, 1992.
Precaución: Estas citas no son 100% exactas.