Gaya APA

Lobiondo-wood, G., Haber, J. (1990). Nursing research methods, critical appraisal, and utilization (ed 2). Amerika: Mosby Company.

Gaya MLA

Lobiondo-wood, Geri., Haber, Judith. "Nursing research methods, critical appraisal, and utilization". ed 2 Amerika: Mosby Company, 1990. Text.