Saunders, Mark.;Lewis,Phillip.;Thornhill,Adrian. Research Methods for Business Students. Saunders, Mark.;Lewis,Phillip.;Thornhill,Adrian. - 2nd Edition. - Harlow,United Kingdom. Prentice Hall. 2000. - xvi. 479 p. 25 cm. ISBN: 0273639773. LCCN: MLLC Dewey Class. No.: MLLC