Ruffin, Roy 1938 creator Gregory, Paul R. jt. at. text bibliography ilu Glenview, Ill Scott, Foresman c1983 1983 monographic eng

print

xxxii, 798 p. : ill. (some col.) ; 26 cm. Roy Ruffin and Paul R. Gregory. Includes index. Bibliography: p. 759-767. Economics 330 RUP 0673155080 DLC 820915 20160504172515.0 3278717