Denzin, Norman K Research act : a theoretical introduction to sociological methods / by Norman K Denzin - 2nd ed. - New York : McGraw-Hill, 1978. - vii, 370p. : Includes indexes. Bibliography: p. 337-354. ISBN: 0070163618 Subjects--Topical Terms: Sociology Dewey Class. No.: 300.72 / DEN/R