Gaya APA
Polit, D., beck, C, T. ().
nursing research, Methods, appraisal and utilization edisi 5 (5).
:
Lippincott.
Gaya MLA
Polit, Denise., beck, Cheryl, Tatano.
"nursing research, Methods, appraisal and utilization edisi 5".
5
:
Lippincott,
.
Text.