Roe, C. G. (1969). Profitable marketing for the smaller company. Directors.
Chicago Style aipamenaRoe, C. Graeme. Profitable Marketing for the Smaller Company. London: Directors, 1969.
MLA aipamenaRoe, C. Graeme. Profitable Marketing for the Smaller Company. Directors, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.