Gaya APA
Polit, D, F., Hungler, B, P. (1999).
Nursing Research: Principles and Methods Fifth Edition (5).
Philadelphia:
Lippincott.
Gaya MLA
Polit, Denise, F.., Hungler, Bernadette, P..
"Nursing Research: Principles and Methods Fifth Edition".
5
Philadelphia:
Lippincott,
1999.
Buku Text.