Gaya APA
Norman, I., Griffiths, P. (2018).
International journal of nursing studies volume 80 april 2018 .
London:
Elsevier.
Gaya MLA
Norman, Ian., Griffiths, Peter.
"International journal of nursing studies volume 80 april 2018".
London:
Elsevier,
2018.
JURNAL INTERNASIONAL KP.