Cita APA (7th ed.)
Salkind, N. J. (2010). Encyclopedia of research design. Sage.
Cita Chicago (17th ed.)
Salkind, Neil J. Encyclopedia of Research Design. Los Angeles: Sage, 2010.
Cita MLA (9th ed.)
Salkind, Neil J. Encyclopedia of Research Design. Sage, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.