Gaya APA

Polite, D, F., Hungler, B, P, H. (1999). Nursing Research Principles and Methods (6). Philadelphia: Lippincot.

Gaya MLA

Polite, Denise, F.., Hungler, Bernadette, P., Hungler. "Nursing Research Principles and Methods". 6 Philadelphia: Lippincot, 1999. Buku Text.