Wonnacott, Thomas H. Introductory statistics / Thomas H. Wonnacott, Ronald J. Wonnacott. - 5th ed. - New York : John Wiley, 1990. - xvi, 711 p. ISBN: 0471615187 : Subjects--Topical Terms: Statistics.Economics--Statistical methods. LC Class. No.: QA276.12 / .W66 1990