Smith, Jonathan A. Research methods in psychology / by Jonathan A. Smith. - 4th ed. - Thousand Oaks, Calif. London : SAGE Publishings, 2012. - xii, 602 p. : ill. ; 24 cm. Include Index ISBN: 9780857022646 P31.99 Subjects--Topical Terms: Research -- methods. Dewey Class. No.: 150.72 / BRE/R