Graham, R., Stansell, J. Managerial Economics. New York: Norton & Company, 1990 345 с.
Graham, R., Stansell, J. Managerial Economics. New York: Norton & Company, 1990 345 с.
Graham, R., Stansell, J. (1990) Managerial Economics, New York: Norton & Company 345 с.
Graham, R., & Stansell, J. (1990). Managerial Economics. Instructor' s Manual Edwin Mansfield's; Наръчник на ръководителя. New York: Norton & Company, 345 с.
Graham R, Stansell J. Managerial Economics: Instructor' s Manual Edwin Mansfield's; Наръчник на ръководителя. New York: Norton & Company; 1990. p. 345 с.