Information Please Almanac Atlas & Yearbook 1989 / 
Otto Johnson 
 - 42nd ed. 
 - Canada:  Houghton Mifflin Company,  1986 
 - 976 p. :  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>317  / INF 1989