Ruane, J. M. (2005). Essentials of research methods: A guide to social science research. Blackwell Pub..
Chicago-viite (17. p.)Ruane, Janet M. Essentials of Research Methods: A Guide to Social Science Research. Malden, MA: Blackwell Pub., 2005.
MLA-viite (8. p.)Ruane, Janet M. Essentials of Research Methods: A Guide to Social Science Research. Blackwell Pub., 2005.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.