Gaya APA
Perry, A, G., Potter, P, A. (2009).
Fundamentals of Nursing Seventh edition (7).
Singapura:
Mosby Elsevier.
Gaya MLA
Perry, Anne, Griffin., Potter, Patricia, A..
"Fundamentals of Nursing Seventh edition".
7
Singapura:
Mosby Elsevier,
2009.
Text.