Gaya APA
Layzell, E, C, M, C, M.
(2010).
Advancing nursing practice in pain management
.
USA:
Blackwell.
Gaya MLA
Layzell, Eloise, Carr,, Martin, Christensen,, Mandy.
"Advancing nursing practice in pain management".
USA:
Blackwell,
2010.
ebook.