Pollard, A., Santamaria, M., Maiden, M., Nicolas, P., Handford, S., Issa, M., . . . LaForce, M. (2003). W135 Meningococcal Disease in Africa.
Dyfyniad Arddull ChicagoPollard, A., et al. W135 Meningococcal Disease in Africa. 2003.
Dyfyniad MLAPollard, A., et al. W135 Meningococcal Disease in Africa. 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.