Locke, L. F., Silverman, S. J., & Spirduso, W. W. (1998). Reading and understanding research. Sage.
Cita Chicago (17th ed.)Locke, Lawrence F., Stephen J. Silverman, i Waneen Wyrick Spirduso. Reading and Understanding Research. Thousand Oaks, Calif: Sage, 1998.
Cita MLA (9th ed.)Locke, Lawrence F., et al. Reading and Understanding Research. Sage, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.