Crask, Melvin. Marketing research : principles and applications / Melvin Crask, Richard J. Fox, Roy G. Stout. - Englewood Cliffs, N. J. : Prentice Hall, 1995. - 642 p. : ill. ; 26 cm. Includes index. ISBN: 0205140912 (hbk.) Hadiah Subjects--Topical Terms: Marketing research.