Nkumbe, H. (2008). Helping older people get the eye care they need. International Centre for Eye Health.
Citação norma ChicagoNkumbe, Henry. Helping Older People Get the Eye Care They Need. International Centre for Eye Health, 2008.
Citação norma MLANkumbe, Henry. Helping Older People Get the Eye Care They Need. International Centre for Eye Health, 2008.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.