Ruane, J. M. (2005). Essentials of research methods: A guide to social science research. Blackwell Pub..
Lua i Stíl Chicago (17ú heag.)Ruane, Janet M. Essentials of Research Methods: A Guide to Social Science Research. Malden, MA: Blackwell Pub., 2005.
Lua MLA (8ú heag.)Ruane, Janet M. Essentials of Research Methods: A Guide to Social Science Research. Blackwell Pub., 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.