Dyfyniad APA
ebrary, Inc, Ryan, A. J., & Doyle, J. (2009). Trends in nursing research. Nova Science Publishers.
Dyfyniad Arddull Chicago
ebrary, Inc, Adam J. Ryan, and Jack Doyle. Trends in Nursing Research. New York: Nova Science Publishers, 2009.
Dyfyniad MLA
ebrary, Inc, et al. Trends in Nursing Research. Nova Science Publishers, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.