Green, P. E. (1999). Research for marketing decisions (5th.). Prentice-Hall.
Chicago Style aipamenaGreen, Paul E.etc. Research for Marketing Decisions. 5th. New Delhi: Prentice-Hall, 1999.
MLA aipamenaGreen, Paul E.etc. Research for Marketing Decisions. 5th. Prentice-Hall, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.