Fitzgerald, Jack D. Unraveling social science : a primer on perspectives, methods, and statistics / Jack D. Fitzgerald, Steven M. Cox. - Chicago : Rand McNally College Pub. Co., [1975] - ix, 180 p. : ill. ; 21 cm. Includes index. ISBN: 0528680641 LCCN: 74027278 LC Class. No.: H61 .F55 / .F55 Dewey Class. No.: 300/.1/8