Ryan, J. D. Small business: an entrepreneur's plan / J. D. Ryan, Lee A. Eckert, Robert J. Ray. - 4th ed. - Fort Worth, TX.: Dryden Press, 1996. - xix, 432 p. : ill. ; 28 cm. ISBN: 0030128943 RM125.58 Subjects--Topical Terms: Small business--Management.