KONRED, E. (1966). Markeitng Research: A Management Overview. Taraporevala Sons.
Chicago Style aipamenaKONRED, Evelyn. Markeitng Research: A Management Overview. Taraporevala Sons, 1966.
MLA aipamenaKONRED, Evelyn. Markeitng Research: A Management Overview. Taraporevala Sons, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.