Dyfyniad APA
ebrary, Inc, & Levkoff, S. (2000). Recruitment and retention in minority populations: Lessons learned in conducting research on health promotion and minority aging. Springer Pub..
Dyfyniad Arddull Chicago
ebrary, Inc, and Sue Levkoff. Recruitment and Retention in Minority Populations: Lessons Learned in Conducting Research on Health Promotion and Minority Aging. New York: Springer Pub., 2000.
Dyfyniad MLA
ebrary, Inc, and Sue Levkoff. Recruitment and Retention in Minority Populations: Lessons Learned in Conducting Research on Health Promotion and Minority Aging. Springer Pub., 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.