Clarkson, Kenneth W. Microeconomics in action / by Kenneth W. Clarkson and Courtenay C. Stone. - Englewood Cliffs, N. J. : Prentice-Hall, 1971. - vii, 328 p. : ill. ; 28 cm. 'A workbook ... designed to supplement any of the basic textbooks now in use.' ISBN: 0135814707 Subjects--Topical Terms: Microeconomics--Problems, exercises, etc.