Wasserman, Paul. Statistics sources : a subject guide to data on industrial, business, social, education, financial, and other topics for the United States and internationally - 6 ed. - Detroit, Mich. : Gale Research, 1980 - 1098 p. LCCN: 53002 Subjects--Topical Terms: Estadística--Bibliografía. Dewey Class. No.: 310.16 / W3 1980