Grady, K. E., & Wallston, B. S. (1988). Research in health care settings. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Grady, Kathleen E., agus Barbara Strudler Wallston. Research in Health Care Settings. Newbury Park, Calif.: Sage Publications, 1988.
Lua MLA (8ú heag.)Grady, Kathleen E., agus Barbara Strudler Wallston. Research in Health Care Settings. Sage Publications, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.