Van Evera, Stephen. Guide to methods for students of political science / Stephen Van Evera. - Ithaca : Cornell University Press, 1997. - vi, 136 p. ; 21 cm. ISBN: 080148457X (alk. paper) LCCN: 97017808 Subjects--Topical Terms: Political science--Methodology. LC Class. No.: JA71 / .V3 1997 Dewey Class. No.: 320