Dyfyniad APA

ebrary, Inc, & Pegg, J. D. (2011). Breast cancer screening and prevention. Nova Science.

Dyfyniad Arddull Chicago

ebrary, Inc, and Jonathan D. Pegg. Breast Cancer Screening and Prevention. New York: Nova Science, 2011.

Dyfyniad MLA

ebrary, Inc, and Jonathan D. Pegg. Breast Cancer Screening and Prevention. Nova Science, 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.