WHO. (1996). Obstructed labour module. education material for teachers of midwifery. WHO.
Cita Chicago (17th ed.)WHO. Obstructed Labour Module. Education Material for Teachers of Midwifery. WHO, 1996.
Cita MLA (9th ed.)WHO. Obstructed Labour Module. Education Material for Teachers of Midwifery. WHO, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.