Spencer, Milton H. Contemporary economics / Milton H. Spencer. - Sixth edition - xxvi, 680, 59 pages : illustrations (some color) ; 23 cm. Includes index. ISBN: 0879012978 LCCN: 85051294 Subjects--Topical Terms: Economics. LC Class. No.: HB171.5 / .S67 1986 Dewey Class. No.: 330