Gaya APA
Roper, N.
(2002).
Prinsip - Prinsip Keperawatan ed.1
.
Yogyakarta:
Essentia MEdica.
Gaya MLA
Roper, Nancy.
"Prinsip - Prinsip Keperawatan ed.1".
Yogyakarta:
Essentia MEdica,
2002.
.