Graziano, Anthony M., 1932- Research methods : a process of inquiry / Anthony M. Graziano, Michael L. Raulin. - 8th ed. - Harlow : Pearson Education, c2014. - ii, 425 p. : ill. ; 27 cm. ISBN: 9781292042169 (pbk.) Subjects--Topical Terms: Research--Methodology. Dewey Class. No.: 001.42 / GRA 2014