Text ( visual ) : unmediated The fundamentals of political science research / Paul M. Kellstedt, Guy D. Whitten. -- : hbk ; : pbk. -- Cambridge : Cambridge University Press , 2009. -- xviii, 272 p. : ill. ; 26 cm. -- Includes bibliographical references and index. -- ISBN 9780521875172 ; 9780521697880 ; (BA8854209X) ; https://ci.nii.ac.jp/ncid/BA8854209X Author Heading(s): Kellstedt, Paul M. ; Whitten, Guy D.. -- Classification(s): LCC : JA86 ; DC22 : 320.072. -- Subject Heading(s): LCSH : Political science -- Research