Não informado. SA Nursing Journal. South African Nursing Association.
Lua i Stíl Chicago (17ú heag.)Não informado. SA Nursing Journal. Pretoria, Africa do Sul: South African Nursing Association.
Lua MLA (8ú heag.)Não informado. SA Nursing Journal. South African Nursing Association.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.