Mabry, Rodney H Introduction to economic principles Rodney H. Mabry, Holley H. Ulbrich. - New York McGraw-Hill c1989. - xxiv, 514 p. col. ill. 26 cm. Includes bibliographies and index. ISBN: 0070447977 28.95 LCCN: 88009063 Subjects--Topical Terms: Economics LC Class. No.: HB171.5 / .M125 1989 Dewey Class. No.: 330