Boslaugh, S. (2007). Secondary data sources for public health: A practical guide. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Boslaugh, Sarah. Secondary Data Sources for Public Health: A Practical Guide. Cambridge ; New York: Cambridge University Press, 2007.
Lua MLA (8ú heag.)Boslaugh, Sarah. Secondary Data Sources for Public Health: A Practical Guide. Cambridge University Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.